http://qiserver.ugr.es/cod/1535211.cif
http://qiserver.ugr.es/cod/1535399.cif
http://qiserver.ugr.es/cod/1536669.cif
http://qiserver.ugr.es/cod/1536671.cif
http://qiserver.ugr.es/cod/1539644.cif
http://qiserver.ugr.es/cod/1539748.cif
http://qiserver.ugr.es/cod/1540752.cif
http://qiserver.ugr.es/cod/1540753.cif
http://qiserver.ugr.es/cod/1540772.cif