http://qiserver.ugr.es/cod/9017147.cif
http://qiserver.ugr.es/cod/9017148.cif
http://qiserver.ugr.es/cod/9017863.cif
http://qiserver.ugr.es/cod/9017864.cif
http://qiserver.ugr.es/cod/9017865.cif
http://qiserver.ugr.es/cod/9017866.cif
http://qiserver.ugr.es/cod/9017867.cif
http://qiserver.ugr.es/cod/9017868.cif
http://qiserver.ugr.es/cod/9017869.cif
http://qiserver.ugr.es/cod/9017870.cif