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Hehl, H.: ¬Das Internet als Quelle bibliographischer Ermittlung und elektronischer Beschaffung (1997)
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Hehl, H.: Kostenlose bibliographische Datenbanken im Internet (1998)
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Hehl, H.: ¬Das Multisuchsystem E-Connect : Anwendungen von Javaskript für die Literatursuche und Literaturbeschaffung im Internet (1999)
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Hehl, H.: Ein Linksystem zur Integration von Literatursuche und Literaturbeschaffung : Medline-LINK (2000)
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Hehl, H.: Änderungen und Erweiterungen im Multisuchsystem E-Connect (2000)
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Leitfaden zum Forschungsdaten-Management : Handreichungen aus dem WissGrid-Projekt (2013)
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Alex, H.; Heiner-Freiling, M.: DDC-Sachgruppen der Deutschen Nationalbibliografie : Leitfaden zu ihrer Vergabe (2004)
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Potempa, T.; Franke, P.; Osowski, W.; Schmidt, M.-E.: Informationen finden im Internet : Leitfaden für die gezielte Online-Recherche (1998)
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Wiesenmüller, H.: Von Fröschen und Strategen : Ein kleiner Leitfaden zur AACR2-Debatte (2002)
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Norton, P.; Hahn, H.: Peter Nortons UNIX-Leitfaden (1991)
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