Search (3825 results, page 1 of 192)

  1. Matthews, J.R.; Parker, M.R.: Local Area Networks and Wide Area Networks for libraries (1995) 0.26 
    0.25773466 = product of:
  0.5154693 = sum of:
    0.5154693 = sum of:
      0.42460185 = weight(_text_:m.r in 2656) [ClassicSimilarity], result of:
        0.42460185 = score(doc=2656,freq=2.0), product of:
          0.36263284 = queryWeight, product of:
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.04790551 = queryNorm
          1.1708864 = fieldWeight in 2656, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.109375 = fieldNorm(doc=2656)
      0.09086749 = weight(_text_:22 in 2656) [ClassicSimilarity], result of:
        0.09086749 = score(doc=2656,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = queryNorm
          0.5416616 = fieldWeight in 2656, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.109375 = fieldNorm(doc=2656)
  0.5 = coord(1/2)
    Date
    30.11.1995 20:53:22
  2. Jussà, M.R. Costa- => Costa-Jussà, M.R.: 0.26 
    0.25734758 = product of:
  0.51469517 = sum of:
    0.51469517 = product of:
      1.0293903 = sum of:
        1.0293903 = weight(_text_:m.r in 16) [ClassicSimilarity], result of:
          1.0293903 = score(doc=16,freq=4.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            2.8386574 = fieldWeight in 16, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.1875 = fieldNorm(doc=16)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Matthews, J.R.; Parker, M.R.: Microcomputer-based automated library systems : new series (1993) 0.18 
    0.18409619 = product of:
  0.36819237 = sum of:
    0.36819237 = sum of:
      0.30328703 = weight(_text_:m.r in 3073) [ClassicSimilarity], result of:
        0.30328703 = score(doc=3073,freq=2.0), product of:
          0.36263284 = queryWeight, product of:
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.04790551 = queryNorm
          0.8363474 = fieldWeight in 3073, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.078125 = fieldNorm(doc=3073)
      0.06490535 = weight(_text_:22 in 3073) [ClassicSimilarity], result of:
        0.06490535 = score(doc=3073,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = queryNorm
          0.38690117 = fieldWeight in 3073, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.078125 = fieldNorm(doc=3073)
  0.5 = coord(1/2)
    Date
    30.11.1995 20:53:22
  4. Matthews, J.R.; Parker, M.R.: Microcomputer-based automated library systems : new series (1993) 0.18 
    0.18409619 = product of:
  0.36819237 = sum of:
    0.36819237 = sum of:
      0.30328703 = weight(_text_:m.r in 3074) [ClassicSimilarity], result of:
        0.30328703 = score(doc=3074,freq=2.0), product of:
          0.36263284 = queryWeight, product of:
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.04790551 = queryNorm
          0.8363474 = fieldWeight in 3074, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.078125 = fieldNorm(doc=3074)
      0.06490535 = weight(_text_:22 in 3074) [ClassicSimilarity], result of:
        0.06490535 = score(doc=3074,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = queryNorm
          0.38690117 = fieldWeight in 3074, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.078125 = fieldNorm(doc=3074)
  0.5 = coord(1/2)
    Date
    30.11.1995 20:53:22
  5. Wolfekuhler, M.R.; Punch, W.F.: Finding salient features for personal Web pages categories (1997) 0.13 
    0.12886733 = product of:
  0.25773466 = sum of:
    0.25773466 = sum of:
      0.21230093 = weight(_text_:m.r in 2673) [ClassicSimilarity], result of:
        0.21230093 = score(doc=2673,freq=2.0), product of:
          0.36263284 = queryWeight, product of:
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.04790551 = queryNorm
          0.5854432 = fieldWeight in 2673, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2673)
      0.045433745 = weight(_text_:22 in 2673) [ClassicSimilarity], result of:
        0.045433745 = score(doc=2673,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = queryNorm
          0.2708308 = fieldWeight in 2673, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2673)
  0.5 = coord(1/2)
    Date
    1. 8.1996 22:08:06
  6. Letarte, K.M.; Turvey, M.R.; Bornemann, D.; Adams, D.L.: Practitioner perspectives on cataloging education for entry-level academic Librarians (2002) 0.13 
    0.12886733 = product of:
  0.25773466 = sum of:
    0.25773466 = sum of:
      0.21230093 = weight(_text_:m.r in 158) [ClassicSimilarity], result of:
        0.21230093 = score(doc=158,freq=2.0), product of:
          0.36263284 = queryWeight, product of:
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.04790551 = queryNorm
          0.5854432 = fieldWeight in 158, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.0546875 = fieldNorm(doc=158)
      0.045433745 = weight(_text_:22 in 158) [ClassicSimilarity], result of:
        0.045433745 = score(doc=158,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = queryNorm
          0.2708308 = fieldWeight in 158, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.0546875 = fieldNorm(doc=158)
  0.5 = coord(1/2)
    Date
    10. 9.2000 17:38:22
  7. Ackermann, E.: Piaget's constructivism, Papert's constructionism : what's the difference? (2001) 0.12 
    0.12186819 = product of:
  0.24373639 = sum of:
    0.24373639 = product of:
      0.48747277 = sum of:
        0.19021662 = weight(_text_:3a in 692) [ClassicSimilarity], result of:
          0.19021662 = score(doc=692,freq=2.0), product of:
            0.40614343 = queryWeight, product of:
              8.478011 = idf(docFreq=24, maxDocs=44218)
              0.04790551 = 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)
        0.29725614 = weight(_text_:2c in 692) [ClassicSimilarity], result of:
          0.29725614 = score(doc=692,freq=2.0), product of:
            0.50771576 = queryWeight, product of:
              10.598275 = idf(docFreq=2, maxDocs=44218)
              0.04790551 = 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.
  8. Sive, M.R.: PRECIS: a better way to index films (1979/80) 0.12 
    0.121314816 = product of:
  0.24262963 = sum of:
    0.24262963 = product of:
      0.48525926 = sum of:
        0.48525926 = weight(_text_:m.r in 1207) [ClassicSimilarity], result of:
          0.48525926 = score(doc=1207,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.3381559 = fieldWeight in 1207, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.125 = fieldNorm(doc=1207)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  9. Quillian, M.R.: Semantic memory (1968) 0.12 
    0.121314816 = product of:
  0.24262963 = sum of:
    0.24262963 = product of:
      0.48525926 = sum of:
        0.48525926 = weight(_text_:m.r in 1478) [ClassicSimilarity], result of:
          0.48525926 = score(doc=1478,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.3381559 = fieldWeight in 1478, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.125 = fieldNorm(doc=1478)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  10. Collins, A.M.; Quillian, M.R.: Retrieval time from semantic memory (1969) 0.12 
    0.121314816 = product of:
  0.24262963 = sum of:
    0.24262963 = product of:
      0.48525926 = sum of:
        0.48525926 = weight(_text_:m.r in 2749) [ClassicSimilarity], result of:
          0.48525926 = score(doc=2749,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.3381559 = fieldWeight in 2749, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.125 = fieldNorm(doc=2749)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  11. Zarnosky, M.R.: Knowledge served on a silver platter : planning and paying for CD-ROMs (1992) 0.12 
    0.121314816 = product of:
  0.24262963 = sum of:
    0.24262963 = product of:
      0.48525926 = sum of:
        0.48525926 = weight(_text_:m.r in 6368) [ClassicSimilarity], result of:
          0.48525926 = score(doc=6368,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.3381559 = fieldWeight in 6368, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.125 = fieldNorm(doc=6368)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  12. Riegger, M.R.: Konzeption und Realisierung eines WWW-Angebots der Deutschen Unesco-Kommission im Internet (1996) 0.12 
    0.121314816 = product of:
  0.24262963 = sum of:
    0.24262963 = product of:
      0.48525926 = sum of:
        0.48525926 = weight(_text_:m.r in 5960) [ClassicSimilarity], result of:
          0.48525926 = score(doc=5960,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.3381559 = fieldWeight in 5960, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.125 = fieldNorm(doc=5960)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  13. Bobrow, D.G.; Fraser, J.B.; Quillian, M.R.: Automated language processing (1967) 0.12 
    0.121314816 = product of:
  0.24262963 = sum of:
    0.24262963 = product of:
      0.48525926 = sum of:
        0.48525926 = weight(_text_:m.r in 228) [ClassicSimilarity], result of:
          0.48525926 = score(doc=228,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.3381559 = fieldWeight in 228, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.125 = fieldNorm(doc=228)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  14. Dewey, M.: Decimal classification beginnings (1990) 0.11 
    0.11065163 = sum of:
  0.07170842 = product of:
    0.28683367 = sum of:
      0.28683367 = weight(_text_:author's in 3554) [ClassicSimilarity], result of:
        0.28683367 = score(doc=3554,freq=2.0), product of:
          0.32193238 = queryWeight, product of:
            6.7201533 = idf(docFreq=144, maxDocs=44218)
            0.04790551 = queryNorm
          0.8909749 = fieldWeight in 3554, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            6.7201533 = idf(docFreq=144, maxDocs=44218)
            0.09375 = fieldNorm(doc=3554)
    0.25 = coord(1/4)
  0.03894321 = product of:
    0.07788642 = sum of:
      0.07788642 = weight(_text_:22 in 3554) [ClassicSimilarity], result of:
        0.07788642 = score(doc=3554,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = queryNorm
          0.46428138 = fieldWeight in 3554, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.09375 = fieldNorm(doc=3554)
    0.5 = coord(1/2)
    Abstract
    Describes the author's development of the Dewey Decimal Classification
    Date
    25.12.1995 22:28:43
  15. Büttler, M.R.: Information Highway : Rundfunk- oder Fernmeldedienst? (1996) 0.11 
    0.10615046 = product of:
  0.21230093 = sum of:
    0.21230093 = product of:
      0.42460185 = sum of:
        0.42460185 = weight(_text_:m.r in 4968) [ClassicSimilarity], result of:
          0.42460185 = score(doc=4968,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.1708864 = fieldWeight in 4968, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.109375 = fieldNorm(doc=4968)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  16. Dean, J.; Henzinger, M.R.: Finding related pages in the World Wide Web (1999) 0.11 
    0.10615046 = product of:
  0.21230093 = sum of:
    0.21230093 = product of:
      0.42460185 = sum of:
        0.42460185 = weight(_text_:m.r in 6284) [ClassicSimilarity], result of:
          0.42460185 = score(doc=6284,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.1708864 = fieldWeight in 6284, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.109375 = fieldNorm(doc=6284)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  17. Sundar, S.S.; Knobloch-Westerwick, S.; Hastall, M.R.: News cues : information scent and cognitive heuristics (2007) 0.09 
    0.09204809 = product of:
  0.18409619 = sum of:
    0.18409619 = sum of:
      0.15164351 = weight(_text_:m.r in 143) [ClassicSimilarity], result of:
        0.15164351 = score(doc=143,freq=2.0), product of:
          0.36263284 = queryWeight, product of:
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.04790551 = queryNorm
          0.4181737 = fieldWeight in 143, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            7.5697527 = idf(docFreq=61, maxDocs=44218)
            0.0390625 = fieldNorm(doc=143)
      0.032452676 = weight(_text_:22 in 143) [ClassicSimilarity], result of:
        0.032452676 = score(doc=143,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = queryNorm
          0.19345059 = fieldWeight in 143, 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=143)
  0.5 = coord(1/2)
    Date
    7. 3.2007 16:22:24
  18. Lavin, M.R.: Improving the quality of business reference servcies (1995) 0.09 
    0.09098612 = product of:
  0.18197224 = sum of:
    0.18197224 = product of:
      0.36394447 = sum of:
        0.36394447 = weight(_text_:m.r in 2614) [ClassicSimilarity], result of:
          0.36394447 = score(doc=2614,freq=2.0), product of:
            0.36263284 = queryWeight, product of:
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.04790551 = queryNorm
            1.0036169 = fieldWeight in 2614, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5697527 = idf(docFreq=61, maxDocs=44218)
              0.09375 = fieldNorm(doc=2614)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  19. Gödert, W.; Hubrich, J.; Boteram, F.: Thematische Recherche und Interoperabilität : Wege zur Optimierung des Zugriffs auf heterogen erschlossene Dokumente (2009) 0.09 
    0.09054037 = sum of:
  0.074314035 = product of:
    0.29725614 = sum of:
      0.29725614 = weight(_text_:2c in 193) [ClassicSimilarity], result of:
        0.29725614 = score(doc=193,freq=2.0), product of:
          0.50771576 = queryWeight, product of:
            10.598275 = idf(docFreq=2, maxDocs=44218)
            0.04790551 = 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)
  0.016226338 = product of:
    0.032452676 = sum of:
      0.032452676 = weight(_text_:22 in 193) [ClassicSimilarity], result of:
        0.032452676 = score(doc=193,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = 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
  20. Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004) 0.08 
    0.07653659 = sum of:
  0.057064984 = product of:
    0.22825994 = sum of:
      0.22825994 = weight(_text_:3a in 562) [ClassicSimilarity], result of:
        0.22825994 = score(doc=562,freq=2.0), product of:
          0.40614343 = queryWeight, product of:
            8.478011 = idf(docFreq=24, maxDocs=44218)
            0.04790551 = 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)
  0.019471604 = product of:
    0.03894321 = sum of:
      0.03894321 = weight(_text_:22 in 562) [ClassicSimilarity], result of:
        0.03894321 = score(doc=562,freq=2.0), product of:
          0.16775693 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04790551 = 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

Authors

Years

Languages

Types

  • a 3189
  • m 374
  • el 164
  • s 146
  • b 40
  • x 36
  • i 23
  • r 17
  • ? 8
  • p 4
  • d 3
  • n 3
  • u 2
  • z 2
  • au 1
  • h 1
  • More… Less…

Themes

Subjects

Classifications