Search (3645 results, page 1 of 183)

  1. Ackermann, E.: Piaget's constructivism, Papert's constructionism : what's the difference? (2001) 0.10
    0.10462734 = product of:
      0.20925468 = sum of:
        0.20925468 = product of:
          0.41850936 = sum of:
            0.16330643 = weight(_text_:3a in 692) [ClassicSimilarity], result of:
              0.16330643 = score(doc=692,freq=2.0), product of:
                0.3486858 = queryWeight, product of:
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.041128255 = queryNorm
                0.46834838 = fieldWeight in 692, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=692)
            0.25520292 = weight(_text_:2c in 692) [ClassicSimilarity], result of:
              0.25520292 = score(doc=692,freq=2.0), product of:
                0.43588856 = queryWeight, product of:
                  10.598275 = idf(docFreq=2, maxDocs=44218)
                  0.041128255 = queryNorm
                0.5854775 = fieldWeight in 692, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  10.598275 = idf(docFreq=2, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=692)
          0.5 = coord(2/4)
      0.5 = coord(1/2)
    
    Content
    Vgl.: https://www.semanticscholar.org/paper/Piaget-%E2%80%99-s-Constructivism-%2C-Papert-%E2%80%99-s-%3A-What-%E2%80%99-s-Ackermann/89cbcc1e740a4591443ff4765a6ae8df0fdf5554. Darunter weitere Hinweise auf verwandte Beiträge. Auch unter: Learning Group Publication 5(2001) no.3, S.438.
  2. Espinosa, L.; Ricardo, M.; Maturana, T.I.: Tesauro latinoamericano en bibliotecologia y ciencia de la informacion (1996) 0.10
    0.0962862 = product of:
      0.1925724 = sum of:
        0.1925724 = product of:
          0.3851448 = sum of:
            0.3851448 = weight(_text_:t.i in 989) [ClassicSimilarity], result of:
              0.3851448 = score(doc=989,freq=2.0), product of:
                0.45256466 = queryWeight, product of:
                  11.00374 = idf(docFreq=1, maxDocs=44218)
                  0.041128255 = queryNorm
                0.85102713 = fieldWeight in 989, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  11.00374 = idf(docFreq=1, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=989)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Gödert, W.; Hubrich, J.; Boteram, F.: Thematische Recherche und Interoperabilität : Wege zur Optimierung des Zugriffs auf heterogen erschlossene Dokumente (2009) 0.08
    0.077731505 = sum of:
      0.06380073 = product of:
        0.25520292 = sum of:
          0.25520292 = weight(_text_:2c in 193) [ClassicSimilarity], result of:
            0.25520292 = score(doc=193,freq=2.0), product of:
              0.43588856 = queryWeight, product of:
                10.598275 = idf(docFreq=2, maxDocs=44218)
                0.041128255 = queryNorm
              0.5854775 = fieldWeight in 193, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                10.598275 = idf(docFreq=2, maxDocs=44218)
                0.0390625 = fieldNorm(doc=193)
        0.25 = coord(1/4)
      0.013930778 = product of:
        0.027861556 = sum of:
          0.027861556 = weight(_text_:22 in 193) [ClassicSimilarity], result of:
            0.027861556 = score(doc=193,freq=2.0), product of:
              0.14402415 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.041128255 = queryNorm
              0.19345059 = fieldWeight in 193, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0390625 = fieldNorm(doc=193)
        0.5 = coord(1/2)
    
    Source
    https://opus4.kobv.de/opus4-bib-info/frontdoor/index/index/searchtype/authorsearch/author/%22Hubrich%2C+Jessica%22/docId/703/start/0/rows/20
  4. Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004) 0.07
    0.06570886 = sum of:
      0.048991926 = product of:
        0.1959677 = sum of:
          0.1959677 = weight(_text_:3a in 562) [ClassicSimilarity], result of:
            0.1959677 = score(doc=562,freq=2.0), product of:
              0.3486858 = queryWeight, product of:
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.041128255 = queryNorm
              0.56201804 = fieldWeight in 562, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.046875 = fieldNorm(doc=562)
        0.25 = coord(1/4)
      0.016716933 = product of:
        0.033433866 = sum of:
          0.033433866 = weight(_text_:22 in 562) [ClassicSimilarity], result of:
            0.033433866 = score(doc=562,freq=2.0), product of:
              0.14402415 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.041128255 = queryNorm
              0.23214069 = fieldWeight in 562, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046875 = fieldNorm(doc=562)
        0.5 = coord(1/2)
    
    Content
    Vgl.: http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CEAQFjAA&url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.91.4940%26rep%3Drep1%26type%3Dpdf&ei=dOXrUMeIDYHDtQahsIGACg&usg=AFQjCNHFWVh6gNPvnOrOS9R3rkrXCNVD-A&sig2=5I2F5evRfMnsttSgFF9g7Q&bvm=bv.1357316858,d.Yms.
    Date
    8. 1.2013 10:22:32
  5. #220 0.06
    0.055163067 = product of:
      0.11032613 = sum of:
        0.11032613 = product of:
          0.22065227 = sum of:
            0.22065227 = weight(_text_:22 in 219) [ClassicSimilarity], result of:
              0.22065227 = score(doc=219,freq=4.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                1.5320505 = fieldWeight in 219, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.21875 = fieldNorm(doc=219)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.1998 20:02:22
  6. #1387 0.06
    0.055163067 = product of:
      0.11032613 = sum of:
        0.11032613 = product of:
          0.22065227 = sum of:
            0.22065227 = weight(_text_:22 in 1386) [ClassicSimilarity], result of:
              0.22065227 = score(doc=1386,freq=4.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                1.5320505 = fieldWeight in 1386, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.21875 = fieldNorm(doc=1386)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.1998 20:02:22
  7. #2103 0.06
    0.055163067 = product of:
      0.11032613 = sum of:
        0.11032613 = product of:
          0.22065227 = sum of:
            0.22065227 = weight(_text_:22 in 2102) [ClassicSimilarity], result of:
              0.22065227 = score(doc=2102,freq=4.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                1.5320505 = fieldWeight in 2102, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.21875 = fieldNorm(doc=2102)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.1998 20:02:22
  8. Fachsystematik Bremen nebst Schlüssel 1970 ff. (1970 ff) 0.05
    0.054757386 = sum of:
      0.040826607 = product of:
        0.16330643 = sum of:
          0.16330643 = weight(_text_:3a in 3577) [ClassicSimilarity], result of:
            0.16330643 = score(doc=3577,freq=2.0), product of:
              0.3486858 = queryWeight, product of:
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.041128255 = queryNorm
              0.46834838 = fieldWeight in 3577, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.0390625 = fieldNorm(doc=3577)
        0.25 = coord(1/4)
      0.013930778 = product of:
        0.027861556 = sum of:
          0.027861556 = weight(_text_:22 in 3577) [ClassicSimilarity], result of:
            0.027861556 = score(doc=3577,freq=2.0), product of:
              0.14402415 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.041128255 = queryNorm
              0.19345059 = fieldWeight in 3577, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0390625 = fieldNorm(doc=3577)
        0.5 = coord(1/2)
    
    Content
    1. Agrarwissenschaften 1981. - 3. Allgemeine Geographie 2.1972. - 3a. Allgemeine Naturwissenschaften 1.1973. - 4. Allgemeine Sprachwissenschaft, Allgemeine Literaturwissenschaft 2.1971. - 6. Allgemeines. 5.1983. - 7. Anglistik 3.1976. - 8. Astronomie, Geodäsie 4.1977. - 12. bio Biologie, bcp Biochemie-Biophysik, bot Botanik, zoo Zoologie 1981. - 13. Bremensien 3.1983. - 13a. Buch- und Bibliothekswesen 3.1975. - 14. Chemie 4.1977. - 14a. Elektrotechnik 1974. - 15 Ethnologie 2.1976. - 16,1. Geowissenschaften. Sachteil 3.1977. - 16,2. Geowissenschaften. Regionaler Teil 3.1977. - 17. Germanistik 6.1984. - 17a,1. Geschichte. Teilsystematik hil. - 17a,2. Geschichte. Teilsystematik his Neuere Geschichte. - 17a,3. Geschichte. Teilsystematik hit Neueste Geschichte. - 18. Humanbiologie 2.1983. - 19. Ingenieurwissenschaften 1974. - 20. siehe 14a. - 21. klassische Philologie 3.1977. - 22. Klinische Medizin 1975. - 23. Kunstgeschichte 2.1971. - 24. Kybernetik. 2.1975. - 25. Mathematik 3.1974. - 26. Medizin 1976. - 26a. Militärwissenschaft 1985. - 27. Musikwissenschaft 1978. - 27a. Noten 2.1974. - 28. Ozeanographie 3.1977. -29. Pädagogik 8.1985. - 30. Philosphie 3.1974. - 31. Physik 3.1974. - 33. Politik, Politische Wissenschaft, Sozialwissenschaft. Soziologie. Länderschlüssel. Register 1981. - 34. Psychologie 2.1972. - 35. Publizistik und Kommunikationswissenschaft 1985. - 36. Rechtswissenschaften 1986. - 37. Regionale Geograpgie 3.1975. - 37a. Religionswissenschaft 1970. - 38. Romanistik 3.1976. - 39. Skandinavistik 4.1985. - 40. Slavistik 1977. - 40a. Sonstige Sprachen und Literaturen 1973. - 43. Sport 4.1983. - 44. Theaterwissenschaft 1985. - 45. Theologie 2.1976. - 45a. Ur- und Frühgeschichte, Archäologie 1970. - 47. Volkskunde 1976. - 47a. Wirtschaftswissenschaften 1971 // Schlüssel: 1. Länderschlüssel 1971. - 2. Formenschlüssel (Kurzform) 1974. - 3. Personenschlüssel Literatur 5. Fassung 1968
  9. Verwer, K.: Freiheit und Verantwortung bei Hans Jonas (2011) 0.05
    0.048991926 = product of:
      0.09798385 = sum of:
        0.09798385 = product of:
          0.3919354 = sum of:
            0.3919354 = weight(_text_:3a in 973) [ClassicSimilarity], result of:
              0.3919354 = score(doc=973,freq=2.0), product of:
                0.3486858 = queryWeight, product of:
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.041128255 = queryNorm
                1.1240361 = fieldWeight in 973, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.09375 = fieldNorm(doc=973)
          0.25 = coord(1/4)
      0.5 = coord(1/2)
    
    Content
    Vgl.: http%3A%2F%2Fcreativechoice.org%2Fdoc%2FHansJonas.pdf&usg=AOvVaw1TM3teaYKgABL5H9yoIifA&opi=89978449.
  10. Kleineberg, M.: Context analysis and context indexing : formal pragmatics in knowledge organization (2014) 0.04
    0.040826607 = product of:
      0.081653215 = sum of:
        0.081653215 = product of:
          0.32661286 = sum of:
            0.32661286 = weight(_text_:3a in 1826) [ClassicSimilarity], result of:
              0.32661286 = score(doc=1826,freq=2.0), product of:
                0.3486858 = queryWeight, product of:
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.041128255 = queryNorm
                0.93669677 = fieldWeight in 1826, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1826)
          0.25 = coord(1/4)
      0.5 = coord(1/2)
    
    Source
    http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CDQQFjAE&url=http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F3131107&ei=HzFWVYvGMsiNsgGTyoFI&usg=AFQjCNE2FHUeR9oQTQlNC4TPedv4Mo3DaQ&sig2=Rlzpr7a3BLZZkqZCXXN_IA&bvm=bv.93564037,d.bGg&cad=rja
  11. #2434 0.04
    0.039006177 = product of:
      0.078012355 = sum of:
        0.078012355 = product of:
          0.15602471 = sum of:
            0.15602471 = weight(_text_:22 in 2433) [ClassicSimilarity], result of:
              0.15602471 = score(doc=2433,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                1.0833232 = fieldWeight in 2433, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.21875 = fieldNorm(doc=2433)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    4. 9.2011 12:28:22
  12. #2819 0.04
    0.039006177 = product of:
      0.078012355 = sum of:
        0.078012355 = product of:
          0.15602471 = sum of:
            0.15602471 = weight(_text_:22 in 2818) [ClassicSimilarity], result of:
              0.15602471 = score(doc=2818,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                1.0833232 = fieldWeight in 2818, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.21875 = fieldNorm(doc=2818)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.1998 19:49:25
  13. #4316 0.04
    0.039006177 = product of:
      0.078012355 = sum of:
        0.078012355 = product of:
          0.15602471 = sum of:
            0.15602471 = weight(_text_:22 in 4315) [ClassicSimilarity], result of:
              0.15602471 = score(doc=4315,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                1.0833232 = fieldWeight in 4315, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.21875 = fieldNorm(doc=4315)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.1998 19:49:25
  14. #7401 0.04
    0.039006177 = product of:
      0.078012355 = sum of:
        0.078012355 = product of:
          0.15602471 = sum of:
            0.15602471 = weight(_text_:22 in 7400) [ClassicSimilarity], result of:
              0.15602471 = score(doc=7400,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                1.0833232 = fieldWeight in 7400, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.21875 = fieldNorm(doc=7400)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.1998 19:49:25
  15. Bravo, B.R. -> Rodriguez Bravo, B.: 0.03
    0.033433866 = product of:
      0.06686773 = sum of:
        0.06686773 = product of:
          0.13373546 = sum of:
            0.13373546 = weight(_text_:22 in 1) [ClassicSimilarity], result of:
              0.13373546 = score(doc=1,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                0.92856276 = fieldWeight in 1, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.1875 = fieldNorm(doc=1)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 4.2007 19:43:53
  16. Wal, T. Vander -> Vander Wal, T.: 0.03
    0.033433866 = product of:
      0.06686773 = sum of:
        0.06686773 = product of:
          0.13373546 = sum of:
            0.13373546 = weight(_text_:22 in 580) [ClassicSimilarity], result of:
              0.13373546 = score(doc=580,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                0.92856276 = fieldWeight in 580, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.1875 = fieldNorm(doc=580)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 6.2009 9:15:50
  17. #778 0.03
    0.033433866 = product of:
      0.06686773 = sum of:
        0.06686773 = product of:
          0.13373546 = sum of:
            0.13373546 = weight(_text_:22 in 777) [ClassicSimilarity], result of:
              0.13373546 = score(doc=777,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                0.92856276 = fieldWeight in 777, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.1875 = fieldNorm(doc=777)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    15. 2.1998 9:45:22
  18. Álvarez, E. Corera- -> Corera-Álvarez, E.: 0.03
    0.033433866 = product of:
      0.06686773 = sum of:
        0.06686773 = product of:
          0.13373546 = sum of:
            0.13373546 = weight(_text_:22 in 942) [ClassicSimilarity], result of:
              0.13373546 = score(doc=942,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                0.92856276 = fieldWeight in 942, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.1875 = fieldNorm(doc=942)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    8. 2.2008 12:22:10
  19. Alvis, R. de -> Seidler-de Alvis, R.: 0.03
    0.033433866 = product of:
      0.06686773 = sum of:
        0.06686773 = product of:
          0.13373546 = sum of:
            0.13373546 = weight(_text_:22 in 1080) [ClassicSimilarity], result of:
              0.13373546 = score(doc=1080,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                0.92856276 = fieldWeight in 1080, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.1875 = fieldNorm(doc=1080)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    2.10.1996 17:14:22
  20. Castillo, M. Davey => Davey Castillo, M.: 0.03
    0.033433866 = product of:
      0.06686773 = sum of:
        0.06686773 = product of:
          0.13373546 = sum of:
            0.13373546 = weight(_text_:22 in 2447) [ClassicSimilarity], result of:
              0.13373546 = score(doc=2447,freq=2.0), product of:
                0.14402415 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041128255 = queryNorm
                0.92856276 = fieldWeight in 2447, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.1875 = fieldNorm(doc=2447)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 3.2018 18:02:42

Languages

Types

  • a 3045
  • m 344
  • el 161
  • s 139
  • b 39
  • x 35
  • i 23
  • r 17
  • ? 8
  • p 4
  • d 3
  • n 3
  • u 2
  • z 2
  • au 1
  • h 1
  • More… Less…

Themes

Subjects

Classifications