<![CDATA[Biblioteca Univ. Surcolombiana Search for 'au:"Urrego Acosta, Guillermo"']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Urrego%20Acosta%2C%20Guillermo%22&format=rss2 2 0 50