https://biblioteca.uaysen.cl/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Bretin%20Herrero%2C%20Constantino.%22&format=rss2 2 0 50 ISBN https://biblioteca.uaysen.cl/cgi-bin/koha/opac-detail.pl?biblionumber=251654 By Bretin Herrero, Constantino.. Madrid Editorial Dykinson, S.L. 2009 . 1 online resource (258 pages)

]]> https://biblioteca.uaysen.cl/cgi-bin/koha/opac-detail.pl?biblionumber=251654 ISBN https://biblioteca.uaysen.cl/cgi-bin/koha/opac-detail.pl?biblionumber=295033 By Bretin Herrero, Constantino.. . 1 online resource (258 pages)

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