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Bertha, E.: Inter- and intrabibliographical relationships : a concept for a hypercatalog (1993)
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Bertha, E.: Beziehungen zwischen bibliographischen Dokumenten : ein Konzept für einen Hyperkatalog (1992)
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Bertha, E.: Nutzung von elektronischen Publikationen (1995)
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Bertha, E.: Vom Zitat zum Original : Überlegungen zur automatischen Auswertung von Quellenangaben (1997)
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Bertha, E.; Schwarz, E.J.: Hypermedia in the library : design guidelines based on assessment tests (1992)
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Reed, C.: INSPEC Ondisc (1993)
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Richards, D.: INSPEC Ondisc : design consideration (1991)
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Orton, D.: Database review : engineering (1995)
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Dimmock, E.: Military systems and and equipment : classification code (1992)
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Wheeler, G.: Maintaining a controlled vocabulary for a large online database service (1991)
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