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  • × year_i:[1970 TO 1980}
  1. Radecki, T.: Mathematical model of information retrieval systems based on the concept of fuzzy thesaurus (1976) 9.91
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    Author
    Radecki, T.
  2. Radecki, T.: Mathematical model and time effective information retrieval systems based on the theory of fuzzy sets (1977) 9.91
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    Author
    Radecki, T.
  3. Radecki, T.: Fuzzy set theoretical approach to document retrieval (1979) 9.91
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    Author
    Radecki, T.