http://qiserver.ugr.es/cod/1509000.cif
http://qiserver.ugr.es/cod/1509001.cif
http://qiserver.ugr.es/cod/1509013.cif
http://qiserver.ugr.es/cod/1509027.cif
http://qiserver.ugr.es/cod/1509086.cif
http://qiserver.ugr.es/cod/1526077.cif
http://qiserver.ugr.es/cod/1526885.cif
http://qiserver.ugr.es/cod/1526886.cif
http://qiserver.ugr.es/cod/1526887.cif