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  1. Frias, J.A.: Revisiones, desarollo y perspectivas de la ISBD (1996) 9.87
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    Author
    Frias, J.A.
  2. Frias, J.A.: ¬La estructura conceptual del registro bibliografico : una revision (1996) 9.87
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    Author
    Frias, J.A.