<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'su:"CONCRETO" and su-to:CONCRETO armado and itype:CF and location:GEN']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22CONCRETO%22%20and%20su-to%3ACONCRETO%20armado%20and%20itype%3ACF%20and%20location%3AGEN&format=rss2 2 0 50