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Fugmann, R.: ¬The theoretical foundation of the IDC-system : 6 postulates for information retrieval; treatise 1 on information retrieval theory (1972)
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Fugmann, R.; Winter, J.H.: Reverse retrieval : toward analogy inferences by mechanized classification (treatise 7 on retrieval system theory) (1979)
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Fugmann, R.: Toward a theory of information supply and indexing : treatise 6 on retrieval system theory (1976)
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Fugmann, R.; Kusemann, G.; Winter, H.J.: ¬The supply of information an chemical reactions in the IDC system (1979)
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- Source
- Information storage and retrieval. 15(1979), S.303-323
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Fugmann, R.; Nickelsen, H.; Nickelsen, I.; Winter, J.H.: Representation of concept relations using the TOSAR system of IDC : treatise 3 on information retrieval theory (1974)
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Fugmann, R.: On the role of subjectivity in establishing, using, operating and evaluating information retrieval systems : treatise 2 on information retrieval theory (1973)
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- Source
- Information storage and retrieval. 9(1973), S.353-372
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Fugmann, R.: ¬The glamour and the misery of the thesaurus approach : treatise 4 on information retrieval theory (1974)
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Fugmann, R.: Zur Frage der Vereinheitlichung des Indexierens (1978)
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- Source
- Nachrichten für Dokumentation. 29(1978), S.121-126
