<![CDATA[Biblioteca Univ. Surcolombiana Search for 'au:"Fierro Martínez, Angel María" and au:Fierro Celis, Fernando Adolfo']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Fierro%20Mart%C3%83%C2%ADnez%2C%20Angel%20Mar%C3%83%C2%ADa%22%20and%20au%3AFierro%20Celis%2C%20Fernando%20Adolfo&format=rss2 0 20