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Hoppe, A.: ¬Die systematischen Grundlagen für ein linguistisch orientiertes maschinelles Dokumentationsverfahren (1969)
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Borko, H.; Bernick, M.: Automatic document classification : T.2 (1964)
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Lustig, G.: Ist die automatische Indexierung bereits anwendbar? (1969)
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Stiles, H.E.: ¬The association factor in information retrieval (1961)
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Damerau, F.J.: ¬An experiment in automatic indexing (1965)
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Maron, M.E.: Automatic indexing : an experimental inquiry (1961)
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Edmundson, H.P.; Wyllis, R.E.: Automatic abstracting and indexing : survey and recommendations (1961)
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Borko, H.; Bernick, M.: Automatic document classification : T.1 (1963)
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