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Moen, W.: Information retrieval protocols : Z39.50 and Search & Retrieve via URL (2009)
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Lynch, C.A.: ¬The Z39.50 information retrieval standard : part I: a strategic view of its past, present and future (1997)
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Sharma, A.: ¬The Z39.50 information retrieval protocol (1998)
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Frost, C.O.; Janes, J.: ¬An empirical test of gopher searching using three organizational schemes : background and methods (1994)
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Tompkins, P.; Perry, S.; Lippincott, J.K.: New learning communities : collaboration, networking, and information literacy (1998)
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