http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A17634%20_dsc%20and%20au%3AO%27Farrell%2C%20Juan&format=rss2 Search results for 'an:17634 _dsc and au:O'Farrell, Juan' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20