Search (565 results, page 2 of 29)

  • × type_ss:"m"
  1. Euzenat, J.; Shvaiko, P.: Ontology matching (2010) 0.04
    0.04495173 = product of:
      0.13485518 = sum of:
        0.13485518 = sum of:
          0.10979411 = weight(_text_:ddc22ger in 168) [ClassicSimilarity], result of:
            0.10979411 = score(doc=168,freq=4.0), product of:
              0.28501767 = queryWeight, product of:
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.046242844 = queryNorm
              0.38521862 = fieldWeight in 168, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.03125 = fieldNorm(doc=168)
          0.025061069 = weight(_text_:22 in 168) [ClassicSimilarity], result of:
            0.025061069 = score(doc=168,freq=2.0), product of:
              0.16193457 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046242844 = queryNorm
              0.15476047 = fieldWeight in 168, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.03125 = fieldNorm(doc=168)
      0.33333334 = coord(1/3)
    
    Classification
    005.74 / DDC22ger
    Date
    20. 6.2012 19:08:22
    DDC
    005.74 / DDC22ger
  2. Brown, D.J.: Access to scientific research : challenges facing communications in STM (2016) 0.04
    0.04495173 = product of:
      0.13485518 = sum of:
        0.13485518 = sum of:
          0.10979411 = weight(_text_:ddc22ger in 3769) [ClassicSimilarity], result of:
            0.10979411 = score(doc=3769,freq=4.0), product of:
              0.28501767 = queryWeight, product of:
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.046242844 = queryNorm
              0.38521862 = fieldWeight in 3769, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.03125 = fieldNorm(doc=3769)
          0.025061069 = weight(_text_:22 in 3769) [ClassicSimilarity], result of:
            0.025061069 = score(doc=3769,freq=2.0), product of:
              0.16193457 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046242844 = queryNorm
              0.15476047 = fieldWeight in 3769, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.03125 = fieldNorm(doc=3769)
      0.33333334 = coord(1/3)
    
    Classification
    001.4 / DDC22ger
    Content
    Inhalt: Chapter 1. Background -- Chapter 2. Definitions -- Chapter 3. Aims, Objectives, and Methodology -- Chapter 4. Setting the Scene -- Chapter 5. Information Society -- Chapter 6. Drivers for Change -- Chapter 7 A Dysfunctional STM Scene? -- Chapter 8. Comments on the Dysfunctionality of STM Publishing -- Chapter 9. The Main Stakeholders -- Chapter 10. Search and Discovery -- Chapter 11. Impact of Google -- Chapter 12. Psychological Issues -- Chapter 13. Users of Research Output -- Chapter 14. Underlying Sociological Developments -- Chapter 15. Social Media and Social Networking -- Chapter 16. Forms of Article Delivery -- Chapter 17. Future Communication Trends -- Chapter 18. Academic Knowledge Workers -- Chapter 19. Unaffiliated Knowledge Workers -- Chapter 20. The Professions -- Chapter 21. Small and Medium Enterprises -- Chapter 22. Citizen Scientists -- Chapter 23. Learned Societies -- Chapter 24. Business Models -- Chapter 25. Open Access -- Chapter 26. Political Initiatives -- Chapter 27. Summary and Conclusions -- Chapter 28. Research Questions Addressed
    DDC
    001.4 / DDC22ger
  3. "Was für ein Service!" : Entwicklung und Sicherung der Auskunftsqualität von Bibliotheken (2007) 0.04
    0.039332762 = product of:
      0.11799829 = sum of:
        0.11799829 = sum of:
          0.09606985 = weight(_text_:ddc22ger in 1426) [ClassicSimilarity], result of:
            0.09606985 = score(doc=1426,freq=4.0), product of:
              0.28501767 = queryWeight, product of:
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.046242844 = queryNorm
              0.3370663 = fieldWeight in 1426, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.02734375 = fieldNorm(doc=1426)
          0.021928435 = weight(_text_:22 in 1426) [ClassicSimilarity], result of:
            0.021928435 = score(doc=1426,freq=2.0), product of:
              0.16193457 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046242844 = queryNorm
              0.1354154 = fieldWeight in 1426, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.02734375 = fieldNorm(doc=1426)
      0.33333334 = coord(1/3)
    
    Classification
    025.52068 / DDC22ger
    Date
    22. 2.2008 14:05:48
    DDC
    025.52068 / DDC22ger
  4. Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany (2008) 0.04
    0.039332762 = product of:
      0.11799829 = sum of:
        0.11799829 = sum of:
          0.09606985 = weight(_text_:ddc22ger in 2668) [ClassicSimilarity], result of:
            0.09606985 = score(doc=2668,freq=4.0), product of:
              0.28501767 = queryWeight, product of:
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.046242844 = queryNorm
              0.3370663 = fieldWeight in 2668, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.02734375 = fieldNorm(doc=2668)
          0.021928435 = weight(_text_:22 in 2668) [ClassicSimilarity], result of:
            0.021928435 = score(doc=2668,freq=2.0), product of:
              0.16193457 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046242844 = queryNorm
              0.1354154 = fieldWeight in 2668, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.02734375 = fieldNorm(doc=2668)
      0.33333334 = coord(1/3)
    
    Classification
    025.344 / DDC22ger
    DDC
    025.344 / DDC22ger
  5. Mühlbacher, S.: Information literacy in enterprises (2009) 0.04
    0.03881808 = product of:
      0.116454236 = sum of:
        0.116454236 = product of:
          0.23290847 = sum of:
            0.23290847 = weight(_text_:ddc22ger in 2402) [ClassicSimilarity], result of:
              0.23290847 = score(doc=2402,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.81717205 = fieldWeight in 2402, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2402)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    028.7 / DDC22ger
    658.4038 / DDC22ger
    DDC
    028.7 / DDC22ger
    658.4038 / DDC22ger
  6. Unzicker, A.: Vom Urknall zum Durchknall (2010) 0.04
    0.03881808 = product of:
      0.116454236 = sum of:
        0.116454236 = product of:
          0.23290847 = sum of:
            0.23290847 = weight(_text_:ddc22ger in 3143) [ClassicSimilarity], result of:
              0.23290847 = score(doc=3143,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.81717205 = fieldWeight in 3143, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3143)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    530.1 / DDC22ger
    523.1 / DDC22ger
    DDC
    530.1 / DDC22ger
    523.1 / DDC22ger
  7. Gantert, K.: Elektronische Informationsressourcen für Historiker (2011) 0.04
    0.03881808 = product of:
      0.116454236 = sum of:
        0.116454236 = product of:
          0.23290847 = sum of:
            0.23290847 = weight(_text_:ddc22ger in 4085) [ClassicSimilarity], result of:
              0.23290847 = score(doc=4085,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.81717205 = fieldWeight in 4085, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4085)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    025.069072 / DDC22ger
    907.0285 / DDC22ger
    DDC
    025.069072 / DDC22ger
    907.0285 / DDC22ger
  8. Monyer, H.; Gessmann, M.: ¬Das geniale Gedächtnis : wie das Gehirn aus der Vergangenheit unsere Zukunft macht (2017) 0.04
    0.03881808 = product of:
      0.116454236 = sum of:
        0.116454236 = product of:
          0.23290847 = sum of:
            0.23290847 = weight(_text_:ddc22ger in 4407) [ClassicSimilarity], result of:
              0.23290847 = score(doc=4407,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.81717205 = fieldWeight in 4407, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4407)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    612.823312 / DDC22ger
    153.123 / DDC22ger
    DDC
    612.823312 / DDC22ger
    153.123 / DDC22ger
  9. Informationelle Selbstbestimmung im digitalen Wandel : Die Zukunft der Informationellen Selbstbestimmung <Veranstaltung, 2015, Berlin> (2017) 0.04
    0.03881808 = product of:
      0.116454236 = sum of:
        0.116454236 = product of:
          0.23290847 = sum of:
            0.23290847 = weight(_text_:ddc22ger in 4979) [ClassicSimilarity], result of:
              0.23290847 = score(doc=4979,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.81717205 = fieldWeight in 4979, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4979)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    303.4833 / DDC22ger
    342.0858 / DDC22ger
    DDC
    303.4833 / DDC22ger
    342.0858 / DDC22ger
  10. IFLA Cataloguing Principles : steps towards an International Cataloguing Code, 5. Report from the 5th IFLA Meeting of Experts on an International Cataloguing Code : Pretoria, South Africa, 2007 = Rapport de la 5ème Réunion d'Experts de l'IFLA sur un Code International de Catalogage (2008) 0.04
    0.036598038 = product of:
      0.10979411 = sum of:
        0.10979411 = product of:
          0.21958822 = sum of:
            0.21958822 = weight(_text_:ddc22ger in 2311) [ClassicSimilarity], result of:
              0.21958822 = score(doc=2311,freq=4.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.77043724 = fieldWeight in 2311, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2311)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    025.3 / DDC22ger
    DDC
    025.3 / DDC22ger
  11. IFLA Cataloguing Principles : steps towards an International Cataloguing Code, 4. Report from the 4th IFLA Meeting of Experts on an International Cataloguing Code : Seoul, Korea, 2006 (2007) 0.04
    0.036598038 = product of:
      0.10979411 = sum of:
        0.10979411 = product of:
          0.21958822 = sum of:
            0.21958822 = weight(_text_:ddc22ger in 2314) [ClassicSimilarity], result of:
              0.21958822 = score(doc=2314,freq=4.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.77043724 = fieldWeight in 2314, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2314)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    025.3 / DDC22ger
    DDC
    025.3 / DDC22ger
  12. Functional requirements for authority data : a conceptual model (2009) 0.04
    0.036598038 = product of:
      0.10979411 = sum of:
        0.10979411 = product of:
          0.21958822 = sum of:
            0.21958822 = weight(_text_:ddc22ger in 2095) [ClassicSimilarity], result of:
              0.21958822 = score(doc=2095,freq=4.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.77043724 = fieldWeight in 2095, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2095)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    025.3222 / DDC22ger
    DDC
    025.3222 / DDC22ger
  13. Herrmann, D.B.: ¬Die Harmonie des Universums : von der rätselhaften Schönheit der Naturgesetze (2017) 0.04
    0.036598038 = product of:
      0.10979411 = sum of:
        0.10979411 = product of:
          0.21958822 = sum of:
            0.21958822 = weight(_text_:ddc22ger in 3704) [ClassicSimilarity], result of:
              0.21958822 = score(doc=3704,freq=4.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.77043724 = fieldWeight in 3704, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3704)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    501 / DDC22ger
    DDC
    501 / DDC22ger
  14. Sennett, R.: Autorität (2008) 0.04
    0.036598038 = product of:
      0.10979411 = sum of:
        0.10979411 = product of:
          0.21958822 = sum of:
            0.21958822 = weight(_text_:ddc22ger in 3774) [ClassicSimilarity], result of:
              0.21958822 = score(doc=3774,freq=4.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.77043724 = fieldWeight in 3774, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3774)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    303.36 / DDC22ger
    DDC
    303.36 / DDC22ger
  15. Breidbach, O.: Neue Wissensordnungen : wie aus Informationen und Nachrichten kulturelles Wissen entsteht (2008) 0.03
    0.033713795 = product of:
      0.101141386 = sum of:
        0.101141386 = sum of:
          0.08234558 = weight(_text_:ddc22ger in 3037) [ClassicSimilarity], result of:
            0.08234558 = score(doc=3037,freq=4.0), product of:
              0.28501767 = queryWeight, product of:
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.046242844 = queryNorm
              0.28891397 = fieldWeight in 3037, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.163498 = idf(docFreq=252, maxDocs=44218)
                0.0234375 = fieldNorm(doc=3037)
          0.018795801 = weight(_text_:22 in 3037) [ClassicSimilarity], result of:
            0.018795801 = score(doc=3037,freq=2.0), product of:
              0.16193457 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046242844 = queryNorm
              0.116070345 = fieldWeight in 3037, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0234375 = fieldNorm(doc=3037)
      0.33333334 = coord(1/3)
    
    Classification
    001.01 / DDC22ger
    Date
    22. 7.2009 13:43:50
    DDC
    001.01 / DDC22ger
  16. Helbig, H.: Wissensverarbeitung und die Semantik der natürlichen Sprache : Wissensrepräsentation mit MultiNet (2008) 0.03
    0.0323484 = product of:
      0.097045206 = sum of:
        0.097045206 = product of:
          0.19409041 = sum of:
            0.19409041 = weight(_text_:ddc22ger in 2731) [ClassicSimilarity], result of:
              0.19409041 = score(doc=2731,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.68097675 = fieldWeight in 2731, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2731)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    006.332 / DDC22ger
    006.35 / DDC22ger
    DDC
    006.332 / DDC22ger
    006.35 / DDC22ger
  17. Webwissenschaft : eine Einführung (2010) 0.03
    0.0323484 = product of:
      0.097045206 = sum of:
        0.097045206 = product of:
          0.19409041 = sum of:
            0.19409041 = weight(_text_:ddc22ger in 2870) [ClassicSimilarity], result of:
              0.19409041 = score(doc=2870,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.68097675 = fieldWeight in 2870, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2870)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    302.231 / DDC22ger
    006.7 / DDC22ger
    DDC
    302.231 / DDC22ger
    006.7 / DDC22ger
  18. Multi-source, multilingual information extraction and summarization (2013) 0.03
    0.0323484 = product of:
      0.097045206 = sum of:
        0.097045206 = product of:
          0.19409041 = sum of:
            0.19409041 = weight(_text_:ddc22ger in 978) [ClassicSimilarity], result of:
              0.19409041 = score(doc=978,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.68097675 = fieldWeight in 978, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=978)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    006.312 / DDC22ger
    005.74 / DDC22ger
    DDC
    006.312 / DDC22ger
    005.74 / DDC22ger
  19. Schmidt, E.; Rosenberg, J.: Wie Google tickt (2015) 0.03
    0.0323484 = product of:
      0.097045206 = sum of:
        0.097045206 = product of:
          0.19409041 = sum of:
            0.19409041 = weight(_text_:ddc22ger in 2406) [ClassicSimilarity], result of:
              0.19409041 = score(doc=2406,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.68097675 = fieldWeight in 2406, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2406)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    338.76102504 / DDC22ger
    658 / DDC22ger
    DDC
    338.76102504 / DDC22ger
    658 / DDC22ger
  20. Gödert, W.; Lepsky, K.; Nagelschmidt, M.: Informationserschließung und Automatisches Indexieren : ein Lehr- und Arbeitsbuch (2011) 0.03
    0.0323484 = product of:
      0.097045206 = sum of:
        0.097045206 = product of:
          0.19409041 = sum of:
            0.19409041 = weight(_text_:ddc22ger in 2550) [ClassicSimilarity], result of:
              0.19409041 = score(doc=2550,freq=8.0), product of:
                0.28501767 = queryWeight, product of:
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.046242844 = queryNorm
                0.68097675 = fieldWeight in 2550, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  6.163498 = idf(docFreq=252, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2550)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    025.30285 / ddc22ger
    025.04 / ddc22ger
    DDC
    025.30285 / ddc22ger
    025.04 / ddc22ger

Languages

  • d 358
  • e 185
  • m 5
  • de 1
  • pl 1
  • More… Less…

Types

  • s 116
  • i 14
  • el 6
  • b 1
  • d 1
  • n 1
  • u 1
  • x 1
  • More… Less…

Themes

Subjects

Classifications