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Diekmann, B.; Korb, N.; Schroeder, K.: Langzeitverfügbarkeit digitaler Dissertationen : das Projekt CARMEN-AP4 "Persistent Identifier" und die Koordinierungsstelle "DissOnline" (2002)
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Schroeder, K.: Persistant identifiers im Kontext von Metadaten (2003)
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Schroeder, K.: Persistent Identifiers im Kontext der Langzeitarchivierung : EPICUR auf dem 2. Bibliothekskongress in Leipzig (2004)
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