http://qiserver.ugr.es/cod/9014442.cif
http://qiserver.ugr.es/cod/9014515.cif
http://qiserver.ugr.es/cod/9014551.cif
http://qiserver.ugr.es/cod/9014745.cif
http://qiserver.ugr.es/cod/9015033.cif
http://qiserver.ugr.es/cod/9015222.cif
http://qiserver.ugr.es/cod/9015462.cif
http://qiserver.ugr.es/cod/9016006.cif
http://qiserver.ugr.es/cod/9016333.cif