http://pc.h12o.es/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AUrology%2C%20and%20au%3AGuerrero%20Ramos%2C%20F%C3%83%C2%A9lix&format=rss2 Search results for 'Provider:Urology, and au:Guerrero Ramos, Félix' at 0 20