http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A6303%20_dsc%20and%20au%3ATorres%20Leal%2C%20Guillermo&format=rss2 Search results for 'an:6303 _dsc and au:Torres Leal, Guillermo' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20