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Henry, H.K.: Human-computer interfaces and OPACs : introductory thoughts related to INNOPAC (1991)
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Tenopir, C.; Neufang, R.: Electronic reference options : how they stack up in research libraries (1992)
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Kreslins, K.; O'Brien, A.; Smith, I.A.: Online public access catalogues in Latvia : strategies for subject access (1994)
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Stewart, M.R.: Users, standards, and access : in search of the standard user (1992)
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Percival, J.M.: Graphic interfaces and online information (1990)
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