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Hancock-Beaulieu, M.: Evaluating the impact of an online library catalogue on subject searching behaviour at the catalogue and at the shelves (1990)
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Phillips, G.L.: Z39.50 and the scholar's concept (1992)
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Sharma, A.: ¬The Z39.50 information retrieval protocol (1998)
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Willer, M.: Formats and cataloguing rules : developments for cataloguing electronic resources (1999)
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Santoro, M.; Spinelli, S.: Non solo numeri (1995)
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