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<![CDATA[Biblioteca Univ. Surcolombiana Search for 'au:SÃ¡nchez, Mario and au:Polania Puentes, Alberto and au:Polania Puentes, Alberto']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=au%3AS%C3%83%C2%A1nchez%2C%20Mario%20and%20au%3APolania%20Puentes%2C%20Alberto%20and%20au%3APolania%20Puentes%2C%20Alberto&format=rss2 0 20