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  • × year_i:[1970 TO 1980}
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  1. Fugmann, R.; Kusemann, G.; Winter, H.J.: ¬The supply of information an chemical reactions in the IDC system (1979) 7.52 
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    Author
    Fugmann, R.
  2. Fugmann, R.: ¬The glamour and the misery of the thesaurus approach : treatise 4 on information retrieval theory (1974) 7.52 
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    Fugmann, R.
  3. Fugmann, R.: ¬The theoretical foundation of the IDC-system : 6 postulates for information retrieval; treatise 1 on information retrieval theory (1972) 7.52 
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  4. Fugmann, R.: On the role of subjectivity in establishing, using, operating and evaluating information retrieval systems : treatise 2 on information retrieval theory (1973) 7.52 
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    Fugmann, R.
  5. 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) 7.52 
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    Fugmann, R.
  6. Fugmann, R.: Toward a theory of information supply and indexing : treatise 6 on retrieval system theory (1976) 7.52 
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  7. Fugmann, R.: Comments on: the UNISIST draft on indexing principles (1977) 7.52 
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  8. Fugmann, R.; Winter, J.H.: Reverse retrieval : toward analogy inferences by mechanized classification (treatise 7 on retrieval system theory) (1979) 7.52 
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    Fugmann, R.

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