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Weisgerber, D.W.: Chemical Abstracts Service Chemical Registry System : history, scope, and impacts (1997)
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Whitley, K.M.: Analysis of SciFinder Scholar and Web of Science citation searches (2002)
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CAS und CSA vereinbaren die Bereitstellung weiterer Datenbanken auf STN International (2004)
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Wright, J.C.: ¬The world of embedded indexing (2000)
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Mulvany, N.C.: Indexing books (1994)
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