<![CDATA[Sistema de Bibliotecas de la Facultad de IngenierĂ­a. UBA Search for 'callnum:"621.7:744"']]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=callnum%3A%22621.7%3A744%22&format=rss2 2 0 50