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