Search (3 results, page 1 of 1)

  • × theme_ss:"Informationsmittel"
  1. Efremenkova, V.M.; Kamenskaya, M.A.; Khutoretskii, V.M.: Sootnoshenien klassifikasionnykh sistem bazy dannykh Chemical Abstracts i sootvetstvuyushchikh ei chastei sistemy baz dannykh VINITI (1999) 9.30
    9.298992 = weight(object_ss:Chemical Abstracts in 409) [ClassicSimilarity], result of:
      9.298992 = fieldWeight in 409, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        9.298992 = idf(docFreq=10, maxDocs=44218)
        1.0 = fieldNorm(doc=409)
    
    Object
    Chemical Abstracts
  2. CAS und CSA vereinbaren die Bereitstellung weiterer Datenbanken auf STN International (2004) 9.30
    9.298992 = weight(object_ss:Chemical Abstracts in 2356) [ClassicSimilarity], result of:
      9.298992 = fieldWeight in 2356, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        9.298992 = idf(docFreq=10, maxDocs=44218)
        1.0 = fieldNorm(doc=2356)
    
    Object
    Chemical Abstracts
  3. Zass, E.: Informationssysteme und ihre Erschließung : Scifinder Scholar und Crossfire und Web of Science und ... - Luxus oder Notwendigkeit? (2008) 9.30
    9.298992 = weight(object_ss:Chemical Abstracts in 1620) [ClassicSimilarity], result of:
      9.298992 = fieldWeight in 1620, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        9.298992 = idf(docFreq=10, maxDocs=44218)
        1.0 = fieldNorm(doc=1620)
    
    Object
    Chemical Abstracts