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  • × year_i:[1980 TO 1990}
  1. Sukiasyan, E.: ¬The classification system in conditions of automated retrieval (1989) 9.40 
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  2. Sukiasyan, E.: ¬The new state standard of the USSR : Sytematization of documents. General requirements (1987) 9.40 
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  3. Sukiasyan, E.: Classification practice in the USSR: current status and development trends (1988) 9.40 
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