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  • × classification_ss:"Z699.3"
  1. Harter, S.P.: Online information retrieval : concepts, principles, and techniques (1986) 0.03 
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  2. Crawford, W.; Stovel, L.; Bales, K.: Bibliographic displays in the online catalog (1986) 0.02 
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  3. Cox, J.: Keyguide to information sources in online and CD-ROM database searching (1991) 0.02 
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