Search (3 results, page 1 of 1)

  • × author_ss:"Powles, J.A."
  1. Crawford, J.C.; Powles, J.A.: Inhouse (locally generated) subject indexes mounted on academic library OPACs (1991) 4.54 
    4.543732 = weight(theme_ss:OPAC in 2201) [ClassicSimilarity], result of:
  4.543732 = fieldWeight in 2201, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    4.543732 = idf(docFreq=1283, maxDocs=44421)
    1.0 = fieldNorm(doc=2201)
    Theme
    OPAC
  2. Crawford, J.C.; Thorn, L.C.; Powles, J.A.: ¬A survey of subject access to academic library catalogues in Great Britain : a report to the British Library Research and Development Department (1992) 4.54 
    4.543732 = weight(theme_ss:OPAC in 1367) [ClassicSimilarity], result of:
  4.543732 = fieldWeight in 1367, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    4.543732 = idf(docFreq=1283, maxDocs=44421)
    1.0 = fieldNorm(doc=1367)
    Theme
    OPAC
  3. Crawford, J.C.; Thom, L.C.; Powles, J.A.: ¬A survey of subject access to academic library catalogues in Great Britain (1993) 4.54 
    4.543732 = weight(theme_ss:OPAC in 6358) [ClassicSimilarity], result of:
  4.543732 = fieldWeight in 6358, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    4.543732 = idf(docFreq=1283, maxDocs=44421)
    1.0 = fieldNorm(doc=6358)
    Theme
    OPAC

Authors

Types