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Frank, E.; Paynter, G.W.: Predicting Library of Congress Classifications from Library of Congress Subject Headings (2004)
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Kaushik, S.K.: DDC 22 : a practical approach (2004)
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Yoon, Y.; Lee, C.; Lee, G.G.: ¬An effective procedure for constructing a hierarchical text classification system (2006)
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Vickery, B.C.: Faceted classification : A guide to construction and use of special schemes (1986)
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Mills, J.: ¬The new Bliss Classification (1976)
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