Search (2 results, page 1 of 1)

  • × subject_ss:"Reference books"
  • × type_ss:"i"
  • × year_i:[1990 TO 2000}
  1. Lea, P.W.; Day, A.: Printed reference material and related information sources (1990) 0.00
    0.0015829486 = product of:
      0.0031658972 = sum of:
        0.0031658972 = product of:
          0.0063317944 = sum of:
            0.0063317944 = weight(_text_:a in 758) [ClassicSimilarity], result of:
              0.0063317944 = score(doc=758,freq=2.0), product of:
                0.049702108 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.043105017 = queryNorm
                0.12739488 = fieldWeight in 758, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.078125 = fieldNorm(doc=758)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. ¬The reference sources handbook (1996) 0.00
    0.0012663589 = product of:
      0.0025327178 = sum of:
        0.0025327178 = product of:
          0.0050654355 = sum of:
            0.0050654355 = weight(_text_:a in 72) [ClassicSimilarity], result of:
              0.0050654355 = score(doc=72,freq=2.0), product of:
                0.049702108 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.043105017 = queryNorm
                0.10191591 = fieldWeight in 72, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0625 = fieldNorm(doc=72)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Editor
    Lea, P.W. u. A. Day