http://qiserver.ugr.es/cod/1008131.cif
http://qiserver.ugr.es/cod/1008132.cif
http://qiserver.ugr.es/cod/1008153.cif
http://qiserver.ugr.es/cod/1008929.cif
http://qiserver.ugr.es/cod/1009043.cif
http://qiserver.ugr.es/cod/1535883.cif
http://qiserver.ugr.es/cod/1535887.cif
http://qiserver.ugr.es/cod/1535890.cif
http://qiserver.ugr.es/cod/1535895.cif