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  • × language_ss:"chi"
  • × theme_ss:"Internet"
  1. Cheng, K.-H.: Automatic identification for topics of electronic documents (1997) 0.02 
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    Source
    Bulletin of the Library Association of China. 1997, no.59, Dec., S.43-58
  2. Chen, P.: ¬The access to Internet : an explorative study (1997) 0.00 
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    Source
    Bulletin of library and information science. 1997, no.20, S.1-12

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