http://qiserver.ugr.es/cod/7201928.cif
http://qiserver.ugr.es/cod/7201929.cif
http://qiserver.ugr.es/cod/7201930.cif
http://qiserver.ugr.es/cod/7201931.cif
http://qiserver.ugr.es/cod/7201997.cif
http://qiserver.ugr.es/cod/7201998.cif
http://qiserver.ugr.es/cod/7202061.cif
http://qiserver.ugr.es/cod/7202076.cif
http://qiserver.ugr.es/cod/7202108.cif
http://qiserver.ugr.es/cod/7202463.cif
http://qiserver.ugr.es/cod/7202464.cif
http://qiserver.ugr.es/cod/7202465.cif