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Lewis, D.W.: Research on the use of online catalogs and its implications for library practice (1987)
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Lewis, D.A.: Online developments and their impact on libraries (1985)
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Bishop, D.F.: ¬The CLR OPAC study : analysis of ARL user responses (1983)
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Lewis, C.I.: Mind and the world order : outline of a theory of knowledge (1956)
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Lewis, D.W.: Making academic reference service work (1994)
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Nicholas, D.; Boydell, L.: BLAISE-LINE : enigma, anomaly or anachronism? (1996)
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Britain's National Bibliographic Service (1994)
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Lowery, J.: Online bibliographic services from The British Library's National Bibliographic Service (1997)
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Congreve, J.: Subject access (1991)
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Elliot, J.D.: ¬The British Library Map Library's cartographic materials file (1992)
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