http://qiserver.ugr.es/cod/9014122.cif
http://qiserver.ugr.es/cod/9014348.cif
http://qiserver.ugr.es/cod/9014654.cif
http://qiserver.ugr.es/cod/9014794.cif
http://qiserver.ugr.es/cod/9014954.cif
http://qiserver.ugr.es/cod/9015279.cif
http://qiserver.ugr.es/cod/9015607.cif
http://qiserver.ugr.es/cod/9015681.cif
http://qiserver.ugr.es/cod/9016126.cif