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  • × language_ss:"ja"
  • × theme_ss:"OPAC"
  1. Hirawa, M.: Role of keywords in the network searching era (1998) 0.01 
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  2. Sugano, I.: ¬The study of criteria for evaluating OPACs as information retrieval systems (1996) 0.01 
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    Date
    29. 7.1998 10:51:23

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