https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22ORTEGA%2C%20Florencio%2C%20coaut.%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=66647 By NIÑO, Miguel Angel.
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11-45

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=66647 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=66796 By NIÑO, Miguel Angel.
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49-119

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