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Fugmann, R.: ¬The5[¬five] axiom theory of indexing and information supply (1985)
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Fugmann, R.: Peculiarities of chemical information from a theoretical viewpoint (1985)
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Fugmann, R.; Denk, W.: Variations in the order-creating power of interactive retrieval systems : treatise 8 on retrieval system theory (1980)
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Fugmann, R.: ¬The complementarity of natural and indexing languages (1982)
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Fugmann, R.: ¬The complementarity of natural and indexing languages (1982)
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Fugmann, R.: On the practice of indexing and its theoretical foundations (1980)
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Fugmann, R.: ¬The analytico-synthetic foundation for large indexing & information retrieval systems : dedicated to Prof. Dr. Werner Schultheis, the vigorous initiator of modern chem. documentation in Germany on the occasion of his 85th birthday (1983)
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Fugmann, R.: ¬The complementarity of natural and indexing languages (1985)
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