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Pfeffer, M.: Automatische Vergabe von RVK-Notationen anhand von bibliografischen Daten mittels fallbasiertem Schließen (2007)
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Pfeffer, M.: Using clustering across union catalogues to enrich entries with indexing information (2014)
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Machovec, G.S.: Veronica: a gopher navigational tool on the Internet (1993)
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Rioux, M.; Landesman, B.: Tunneling through cyberspace in search of adventure : an introduction to gopher (1995)
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Obst, O.: ¬Eine praxisorientierte Einführung ins Internet mit Beispielen aus der Medizin (1995)
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Page, M.: ¬A personal view of the Internet (1993)
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Vidmar, D.J.; Anderson-Cahoon, C.J.: Internet search tools : history to 2000 (2009)
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