http://pc.h12o.es/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=81%26limit%3Dau%3ADelgado%20V%C3%83%C2%A1zquez%2C%20Rafael&format=rss2 Search results for 'an,phr: 81&limit=au:Delgado Vázquez, Rafael' at 0 20