Umbral XXI :
publicación de los programas de investigación y postgrado de la Universidad Iberoamericana.

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Item Link Original Source
Limited (search only)   Indiana University
Limited (search only)   NO.ESP.1,3-4 1995-97 University of Texas at Austin
Limited (search only)   NO.8-10 1992 University of Texas at Austin
Limited (search only)   NO.17-19 1995 University of Texas at Austin
Limited (search only)   NO.20,22-23 1996-97 University of Texas at Austin