<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'an:170 and holdingbranch:001 and au:Williams, Thomas A and su-to:CONTROL DE CALIDAD']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=an%3A170%20and%20holdingbranch%3A001%20and%20au%3AWilliams%2C%20Thomas%20A%20and%20su-to%3ACONTROL%20DE%20CALIDAD&format=rss2 2 0 50