-
Kelm, B.; Maassen, B.: Zentrale Dienstleistungen der Deutschen Bibliothek im Bereich der Sacherschließung (1980)
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- Source
- Zeitschrift für Bibliothekswesen und Bibliographie. 27(1980), S.39-46
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Kelm, B.: Zentrale Dienste der Deutschen Bibliothek im Bereich der Sacherschließung und Möglichkeiten ihrer Nutzung (1983)
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- Source
- Bibliothek. Forschung und Praxis. 7(1983), S.223-227
-
Kelm, B.: Stand und Probleme zentraler Dienste in der Schlagworterschließung der Deutschen Bibliothek (1985)
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- Series
- Kölner Arbeiten zum Bibliotheks- und Dokumentationswesen, H.6
-
Kelm, B.: ¬Die Inhaltserschließung der Deutschen Bibliothek. Im Spannungsfeld zwischen nationalen und internationalen Erfordernissen (1988)
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