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Nohr, H.: Tendenzen der OPAC-Entwicklung (1990)
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KOALA über LAN und Datenfernübertragung (1992)
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Cremer, M.: Online-Benutzerkataloge (OPACs) (1990)
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- Footnote
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Weidemüller, H.-U.: Schlagwortketten im OPAC (1996)
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