https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22VIDA%20AL%20AIRE%20LIBRE%22%29&sort_by=title_az&format=rss 3 0 50 ISBN:8483160552 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84774 ]]> By Aparicio Sánchez, Manuel.
Madrid : CCS, 1999 .
271 p. : 8483160552

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84774 ISBN:9681815408 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=23995 ]]> México : Limusa, 1983 .
566 p. : 9681815408

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=23995 ISBN:8420512869 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=31377 ]]> By Gómez-Mascaraque, Francisco José.
Madrid : Alhambra, 1986 .
vi, 107 p. : 8420512869

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