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author_ss:"Pretzsch, J."
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theme_ss:"OPAC"
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theme_ss:"Regeln für den Schlagwortkatalog (RSWK)"
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year_i:[1980 TO 1990}
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Pretzsch, J.: ¬Der EDV-Katalog der Bibliothek des Deutsches Patentamts (1985)
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Pretzsch, J.: ¬Der OPAC des Deutschen Patentamts und seine sachlichen Zugriffsmöglichkeiten : Sacherschließung des Buchbestandes der Bibliothek (1988)
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