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Schnelling, H.M.: Katalogverbund, Fremddatennutzung und Online-Benutzerkatalog : Aspekte einer Neuorientierung der Sacherschließung (1988)
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Schnelling, H.M.: Möglichkeiten und Grenzen der Sacherschließung im Hinblick auf Online-Benutzerkataloge : Anmerkungen zur Situation in der Bundesrepublik Deutschland (1989)
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Schnelling, H.M.: Beyond online? : interactive public access to library files via CD-ROM (1989)
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- Veröffentlichungen der Universitätsbibliothek Essen; 11