http://pc.h12o.es/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%222137%22%20and%20au%3APedraza%20Fern%C3%83%C2%AF%C3%82%C2%BF%C3%82%C2%BD%C3%83%C2%AF%C3%82%C2%BF%C3%82%C2%BDndez%2C%20Sara&format=rss2 Search results for 'an:"2137" and au:Pedraza Fern��ndez, Sara' at 0 20