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Howze, P.C.; Unaeze, F.E.: All in the name of service : mediation, client-self determination, and reference practice in academic libraries (1997)
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Weckert, J.; Ferguson, S.: Ethics, reference librarians and expert systems (1993)
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Revelli, C.: ¬Le informazioni in biblioteca (1997)
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Engle, S.: Reference services and issues in resource sharing via NREN (1992)
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Mendelsohn, J.: Perspectives on quality of reference service in an academic library : a qualitative study (1997)
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