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  • × author_ss:"Fugmann, R."
  • × year_i:[1970 TO 1980}
  1. Fugmann, R.: Toward a theory of information supply and indexing : treatise 6 on retrieval system theory (1976) 0.02
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  2. Fugmann, R.: Comments on: the UNISIST draft on indexing principles (1977) 0.02
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