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classification_ss:"AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis"
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classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
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subject_ss:"Information storage and retrieval systems"
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type_ss:"m"
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- author's%3a%22Proffitt%2c M.%22 1
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Rijsbergen, C.J. van: Information retrieval (1979)
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- m