http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%226140%22%20_dsc%20and%20au%3ADel%20Bello%2C%20Juan%20Carlos&format=rss2 Search results for 'an:"6140" _dsc and au:Del Bello, Juan Carlos' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20