http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A10621%20_dsc%20and%20au%3APigna%2C%20Felipe&format=rss2 Search results for 'an:10621 _dsc and au:Pigna, Felipe' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20