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  1. Ellis, D.: Progress and problems in information retrieval (1996) 0.07 
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    Content
    First published 1991 as New horizons in information retrieval
    Date
    26. 7.2002 20:22:46
  2. Ellis, D.: New horizons in information retrieval (1990) 0.03 
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    Footnote
    Rez. in: Canadian library journal. 48(1991) S.434 (E. Frick): "The book is full of information about the development of concepts and systems in this most fascinating part of professional work"

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