http://qiserver.ugr.es/cod/1534986.cif
http://qiserver.ugr.es/cod/1539649.cif
http://qiserver.ugr.es/cod/1539732.cif
http://qiserver.ugr.es/cod/1539782.cif
http://qiserver.ugr.es/cod/1539786.cif
http://qiserver.ugr.es/cod/1539789.cif
http://qiserver.ugr.es/cod/1540049.cif
http://qiserver.ugr.es/cod/1540116.cif
http://qiserver.ugr.es/cod/1540852.cif
http://qiserver.ugr.es/cod/1541233.cif
http://qiserver.ugr.es/cod/2002444.cif