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Frias, J.A.: Sistemas expertos y catalogacion descriptiva : revision bibliografica (1996)
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Frias, J.A.; Alvarez, M.I.P.: ¬La ordenacion de los asientos bibliograficos en los catalogos : Hacia una normativa internacional (1995)
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Frias, J.A.: Origines de la ISBD (1996)
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Frias, J.A.: ¬La estructura conceptual del registro bibliografico : una revision (1996)
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Frias, J.A.: Revisiones, desarollo y perspectivas de la ISBD (1996)
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