http://biblioteca1.aunar.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=su-na%3Dau%3A%22Convenio%20Andr%C3%A9s%20Bello.%22&format=rss2 Search results for 'su-na=au:"Convenio Andrés Bello."' at Biblioteca Zambrano Bucheli AUNAR 0 20