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Pflug, G.: Classification in the libraries of the German Federal Republic (1982)
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- Source
- International classification. 9(1982), S.27-29
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Pflug, G.: ¬Die Kataloge der Sondersammelgebiete in Nordrhein-Westfalen (1991)
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- Date
- 3.10.2000 10:29:50
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Pflug, G.: Information Retrieval System (1972)
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- Source
- Libri. 22(1972) no.1, S.85-92
