http://pc.h12o.es/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%222264%22%20and%20au%3AP%C3%83%C2%A9rez%20Cadavid%2C%20Santiago&format=rss2 Search results for 'an:"2264" and au:Pérez Cadavid, Santiago' at 0 20