http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A16517%20_dsc%20and%20su-to%3AProducto%20Bruto%20Interno&format=rss2 Search results for 'an:16517 _dsc and su-to:Producto Bruto Interno' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20