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Diekmann, B.; Hengel, C.; Schroeder, K.: ¬Das Projekt CARMEN-AP4 (2002)
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- Dialog mit Bibliotheken. 14(2002) H.1, S.38-42
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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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- Information - Wissenschaft und Praxis. 53(2002) H.3, S.161-166
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Schroeder, K.: Persistant identifiers im Kontext von Metadaten (2003)
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- Zeitschrift für Bibliothekswesen und Bibliographie. 50(2003) H.4, S.205-209
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Schroeder, K.: Zum Nutzen von »Persistent Identifiers« : von CARMEN-AP4 über EPICUR zum Normalbetrieb (2005)
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- Zeitschrift für Bibliothekswesen und Bibliographie. 52(2005) H.3/4, S.181-187
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Schroeder, K.: Persistent Identifiers im Kontext der Langzeitarchivierung : EPICUR auf dem 2. Bibliothekskongress in Leipzig (2004)
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- Dialog mit Bibliotheken. 16(2004) H.2, S.11-14