http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A8041%20%20and%20au%3AFreire%2C%20Paulo%20and%20au%3AAra%C3%83%C2%AF%C3%82%C2%BF%C3%82%C2%BD%C3%83%C2%AF%C3%82%C2%BF%C3%82%C2%BDjo%20Freire%2C%20Ana%20Maria&format=rss2 Search results for 'an:8041 and au:Freire, Paulo and au:Ara��jo Freire, Ana Maria' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20