http://biblioteca.ubl.ac.cr/cgi-bin/koha/opac-search.pl?q=ccl=an%3A10897&format=rss2 2 0 50 ISBN http://biblioteca.ubl.ac.cr/cgi-bin/koha/opac-detail.pl?biblionumber=9181 By García Cantero, Gabriel. Madrid : Biblioteca de Autores Cristianos, 1977 . xiv, 175 p. ; 19 cm.

]]> http://biblioteca.ubl.ac.cr/cgi-bin/koha/opac-detail.pl?biblionumber=9181 ISBN http://biblioteca.ubl.ac.cr/cgi-bin/koha/opac-detail.pl?biblionumber=6932 Madrid : EUNSA, 1977 . 216 p. : 18 cm.

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