http://qiserver.ugr.es/cod/1509356.cif
http://qiserver.ugr.es/cod/1509586.cif
http://qiserver.ugr.es/cod/1509587.cif
http://qiserver.ugr.es/cod/1509594.cif
http://qiserver.ugr.es/cod/1509610.cif
http://qiserver.ugr.es/cod/1522672.cif
http://qiserver.ugr.es/cod/1523120.cif
http://qiserver.ugr.es/cod/1525342.cif
http://qiserver.ugr.es/cod/1529792.cif