<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'su:"Estructuras de concreto" and itype:CD and itype:AS and holdingbranch:001 and su-to:ESTRUCTURAS DE CONCRETO']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Estructuras%20de%20concreto%22%20and%20itype%3ACD%20and%20itype%3AAS%20and%20holdingbranch%3A001%20and%20su-to%3AESTRUCTURAS%20DE%20CONCRETO&format=rss2 3 0 50