https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Villar%2C%20Julio%2C%22&sort_by=title_az&format=rss 2 0 50 ISBN:8426156711 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=141066 ]]> By Villar, Julio,.
Barcelona, Esp. : Juventud, 1997 .
244 p. : 8426156711

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=141066 ISBN:9788426156716 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=149325 ]]> By Villar, Julio,.
Barcelona, Esp. : Juventud, 2007 .
250 p. : 9788426156716

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