https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Posner%2C%20George%20J.%22&sort_by=title_az&format=rss 2 0 50 ISBN:9586008916 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=83331 ]]> By Posner, George J..
Santa Fé de Bogotá : McGraw-Hill Interamericana, 1998 .
xxxiii, 347 p. : 9586008916

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=83331 ISBN:9701046641 (10 dígitos) | 9789701046647 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=123587 By Posner, George J..
México : McGraw-Hill Interamericana, 2005 .
xxiv, 345 p. 9701046641 (10 dígitos) | 9789701046647 (13 dígitos)

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