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Koblitz, J.: Schlagwortgebung in der Information und Dokumentation (1973) 0.02

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Wilson, T.D.: ¬An introduction to chain indexing (1971) 0.00

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Craven, T.C.: NEPHIS: a nested phrase indexing system (1977) 0.00

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Hunt, R. et.al: PRECIS, LCSH and KWOC : report of a research project designed to examine the applicability of PRECIS to the subject of an academic library (1977) 0.00

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Mineur, B.W.: Relations in chains (1973) 0.00

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