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Watanabe, T.: ¬An experimental OPAC system using NDC8 to improve subject access (1994)
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Oshiro, Z.; Kaji, K.: ¬A survey of Japanese Internet OPACs (1997)
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Voshida, K.: ¬A study on improving subject access to the OPAC : a survey of catalogue use comparing an OPAC and a card catalogue in a private university library (1994)
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