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STN International: Information digital : Online-Zugriff auf britische Patente (2005)
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Schramm, R.: Patentinformation (2004)
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FIZ Karlsruhe: Vollständiges Lieferspektrum für Volltexte (2008)
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CAS und CSA vereinbaren die Bereitstellung weiterer Datenbanken auf STN International (2004)
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Birkner, M.: Patentdatenbanken: kostenpflichtige mit Mehrwert oder kostenfreie? (2010)
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