https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A7432%20and%20holdingbranch%3AUSU%20and%20su-to%3AMS-DOS&format=rss2 Search results for 'an:7432 and holdingbranch:USU and su-to:MS-DOS' at Biblioteca UGB 0 20