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Petry, W.: Datenreisen billiger : wie man Telekommunikationskosten sparen kann (1994)
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Petry, A.: Wissen auf schnellen Scheiben (2004)
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Petry, W.; Schedelbeck, A.: Retrievalsoftware im Vergleich : Recherchieren in Datenbanken (1995)
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Petry-Eberle, A.: Information services : Beispiel für die Neuausrichtung firmeninterner Zentralfunktionen (1996)
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Cobb, M.A.; Petry, F.E.: Modeling spatial relationships within a fuzzy framework (1998)
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Hartmann, K.: PDS: Retrievalsoftware für die Pressedatenbank (1984)
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Lippold, H.; Hett, H.M.: BIFOA-Marktstudie Retrievalsoftware für die elektronische Dokumentenverwaltung (1992)
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Schubert, B.: Qualitätsanforderungen an die Retrievalsoftware einer CD-ROM : eine Analyse (1993)
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Petersen, A.: STN Viewer ersetzt Papierstapel Textmarker und Klebezettel : Ein neues Modul zur Retrievalsoftware STN Express automatisiert manuelle Tätigkeiten bei der Aufbereitung und Evaluierung von Patentdokumenten (2008)
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