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Bishop, G.E.: What WorldCat (the OCLC Online Union Catalog) means to me (1998)
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Roe, S.: Online subject access (1999)
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Morris, M.E.S.: HTML : WWW effektiv nutzen; mit HTML 3.0 und NETSCAPE (1996)
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Poo, D.C.C.; Khoo, C.S.G.: Online Catalog Subject Searching (2009)
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Butterfield, K.: Online Public Access Catalogs (OPACs) (2009)
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