http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=callnum%3A%22512.1%2C%20V649%22%20and%20au%3AVidal%2C%20Ricardo%20J.&format=rss2 3 0 50 ISBN 9509361038 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=69 By Vidal, Ricardo J.. Buenos Aires : Edicitex, 1984 . 243 p. : 27 cm. 9509361038

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=69 ISBN 9509361054 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=7267 By Vidal, Ricardo J.. Buenos Aires : Edicitex, 1985 . 209 p. ; 27 cm.. 9509361054

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=7267 ISBN 9509361062 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=7268 By Vidal, Ricardo J.. Buenos Aires : Edicitex, 1985 . 274 p. ; | il. : , Indice de capítulos | Indice alfabético 27 cm.. 9509361062

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