S.O. /cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=19 RSS feed for public list S.O. Sistemas Operativos by Stalling, William /cgi-bin/koha/opac-detail.pl?biblionumber=339 Sistemas operativos by Becerra Pacherres, Augusto /cgi-bin/koha/opac-detail.pl?biblionumber=476 Sistemas operativos by Carretero Pérez, Jesús /cgi-bin/koha/opac-detail.pl?biblionumber=785 Sistemas Operativos by Tanenboum, Andrew S. /cgi-bin/koha/opac-detail.pl?biblionumber=1604