Search (1 results, page 1 of 1)

  • × classification_ss:"025.5'2 / dc20"
  1. Katz, W.A.: Introduction to reference work : Vol.1: Basic information sources; vol.2: Reference services and reference processes (1992) 4.07 
    4.07295 = weight(theme_ss:Informationsdienstleistungen in 4364) [ClassicSimilarity], result of:
  4.07295 = fieldWeight in 4364, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    4.07295 = idf(docFreq=2055, maxDocs=44421)
    1.0 = fieldNorm(doc=4364)
    Theme
    Informationsdienstleistungen