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Ecker, J.: ¬Die Bibliothekarisch-Bibliographische Klassifikation in der Praxis (1982)
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Ecker, J.: ¬Die Optimierung der sowjetischen Bibliothekarisch-Bibliographischen Klassifikation (1982)
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Ecker, R.: DOI-Workshop in Luxemburg (1998)
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Ecker, R.: ¬Das digitale Buch im Internet : Methoden der Erfassung, Aufbereitung und Bereitstellung (1998)
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Ecker, R.: European Copyright User Platform, ECUP und ECUP+ (1997)
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Adreßbuch deutscher Bibliotheken : Datenbankversion auf Diskette (1996)
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Ibelshäuser, O.: Jetzt kommt der Nachschlag (1996)
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Heilmann, A.: LaTeX-Vademecum : ein Kompaktführer für Einsteiger und Fortgeschrittene (1996)
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Bongard, S.: "WOICE of ACHEMA" : Informationen zur Chemietechnik (1996)
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Dörr, M.; Haddouti, H.; Wiesener, S.: ¬Das 17. Jahrhundert im Netz : Recherche in historischen Dokumenten über das B-WiN (1996)
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