http://qiserver.ugr.es/cod/1536851.cif
http://qiserver.ugr.es/cod/9009695.cif
http://qiserver.ugr.es/cod/9009696.cif
http://qiserver.ugr.es/cod/9009697.cif
http://qiserver.ugr.es/cod/9009698.cif
http://qiserver.ugr.es/cod/9012074.cif
http://qiserver.ugr.es/cod/9013441.cif
http://qiserver.ugr.es/cod/9013957.cif
http://qiserver.ugr.es/cod/9014025.cif
http://qiserver.ugr.es/cod/9017383.cif
http://qiserver.ugr.es/cod/9017384.cif