http://qiserver.ugr.es/cod/1510686.cif
http://qiserver.ugr.es/cod/1534292.cif
http://qiserver.ugr.es/cod/1534293.cif
http://qiserver.ugr.es/cod/1534294.cif
http://qiserver.ugr.es/cod/1534295.cif
http://qiserver.ugr.es/cod/1537323.cif
http://qiserver.ugr.es/cod/1537324.cif
http://qiserver.ugr.es/cod/1537325.cif
http://qiserver.ugr.es/cod/1539513.cif