<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'su:"CONCRETO armado" and au:Urquhart, Leonard Church']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22CONCRETO%20armado%22%20and%20au%3AUrquhart%2C%20Leonard%20Church&format=rss2 2 0 50