http://koha.unicoc.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Rold%C3%A1n%20Zuluaga%2C%20Mauricio%22%20and%20available&format=rss2 Search results for 'au:"Roldán Zuluaga, Mauricio" and available' at SIBU - SISTEMAS DE BIBLIOTECAS UNICOC 0 20