Search (2 results, page 1 of 1)

  • × author_ss:"Heydrich, J."
  1. Heydrich, J.; Schmelter, G.: Einsatz von Retrieval-Geräten bei Microfiche-Arbeiten in Zentralkatalogen und Bibliotheken (1982) 0.01 
    0.011586567 = product of:
  0.04634627 = sum of:
    0.04634627 = weight(_text_:und in 6173) [ClassicSimilarity], result of:
      0.04634627 = score(doc=6173,freq=2.0), product of:
        0.118290015 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.05337113 = queryNorm
        0.39180204 = fieldWeight in 6173, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.125 = fieldNorm(doc=6173)
  0.25 = coord(1/4)
  2. Heydrich, J.: ¬Die Rolle der Zentralkataloge als Leihverkehrszentralen : Heute und Morgen (1997) 0.01 
    0.0057932837 = product of:
  0.023173135 = sum of:
    0.023173135 = weight(_text_:und in 673) [ClassicSimilarity], result of:
      0.023173135 = score(doc=673,freq=2.0), product of:
        0.118290015 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.05337113 = queryNorm
        0.19590102 = fieldWeight in 673, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.0625 = fieldNorm(doc=673)
  0.25 = coord(1/4)

Years