Search (1 results, page 1 of 1)

  • × author_ss:"Grogan, D."
  • × year_i:[1970 TO 1980}
  1. Grogan, D.: Practical reference work (1979) 0.03
    0.034576587 = product of:
      0.13830635 = sum of:
        0.13830635 = weight(_text_:services in 757) [ClassicSimilarity], result of:
          0.13830635 = score(doc=757,freq=4.0), product of:
            0.17221296 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.046906993 = queryNorm
            0.8031123 = fieldWeight in 757, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.109375 = fieldNorm(doc=757)
      0.25 = coord(1/4)
    
    LCSH
    Reference services (Libraries)
    Subject
    Reference services (Libraries)