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Geiß, D.: Entwurf für ein deutsches Patentinformationssystem : eine Zwischenbilanz (1988)
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Inhaltserschließung von Massendaten : zur Wirksamkeit informationslinguistischer Verfahren am Beispiel des deutschen Patentinformationssystems (1987)
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Schweikhardt, F.: Some thoughts on hybrid systems especially for patent documentation (1989)
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Straus, J.: Vorhandene Informationsmöglichkeiten der Patentliteratur : ein selektiver Überblick (1982)
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Krause, J.: Zur Wahl der Texterschließungskomponente für ein deutsches Patentinformationssystem : Kontroverses zur Bilanz von D. Geiß 'Entwurf für ein deutsche Patentinformationssystem' in den NfD 5/1988 (1989)
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Schiffels, R.: Kategorien der Internationalen Patentklassifikation, insbesondere hinsichtlich der Einordnung von Produkten (1982)
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Gesell, J.: Neuauflage der Internationalen Patentklassifikation : incompatibility issues of library classification systems and subject headings in subject cataloguing (1986)
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Tittlbach, G.: ¬Die Integration von Zeichnung und Text im Deutschen Patentinformationssystem (1986)
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Schneider, C.; Womser-Hacker, C.: Inhaltserschließungssysteme für Patenttexte : Test und Systemvergleich im Projekt PADOK (1986)
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Cohausz, H.B.: Recherchen in Patentdatenbanken : ein Vergleich der Patentdatenbanken, insbesondere PATDPA und PATOS (1986)
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Vries, S. de: Points of interest concerning the new IPC (1989)
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