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  • × classification_ss:"025.52"
  • × language_ss:"e"
  • × theme_ss:"Informationsdienstleistungen"
  1. Grogan, D.: Practical reference work (1992) 0.01 
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    Abstract
    This new edition reflects the best of current practice and the findings of recent research. It includes the effects on reference work of OPACs, CD-ROM, expert systems and online databases, also covers recent work on question analysis and information-seeking behaviour