http://biblioteca1.aunar.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=su-na%3Dau%3A%22CERDA%2CGuti%C3%A9rrez%20Hugo%22&format=rss2 Search results for 'su-na=au:"CERDA,Gutiérrez Hugo"' at Biblioteca Zambrano Bucheli AUNAR 0 20