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  • × theme_ss:"Informationsdienstleistungen"
  • × theme_ss:"Literaturübersicht"
  • × year_i:[1980 TO 1990}
  1. Dervin, B.; Nilan, M.: Information needs and uses (1986) 0.01 
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    Source
    Annual review of information science and technology. 21(1986), S.3-33