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  • × author_ss:"Frias, J.A."
  • × language_ss:"sp"
  • × type_ss:"a"
  1. Frias, J.A.: Sistemas expertos y catalogacion descriptiva : revision bibliografica (1996) 0.02 
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  2. Frias, J.A.: Revisiones, desarollo y perspectivas de la ISBD (1996) 0.01 
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