<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'Provider:Escuela Colombiana de Ingeniería and itype:TE and au:Quiroga Saavedra, Pedro Nel, dir and itype:TE and holdingbranch:001 and su-to:CONCRETO REFORZADO']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AEscuela%20Colombiana%20de%20Ingenier%C3%83%C2%ADa%20and%20itype%3ATE%20and%20au%3AQuiroga%20Saavedra%2C%20Pedro%20Nel%2C%20dir%20and%20itype%3ATE%20and%20holdingbranch%3A001%20and%20su-to%3ACONCRETO%20REFORZADO&format=rss2 0 20