http://qiserver.ugr.es/cod/9009410.cif
http://qiserver.ugr.es/cod/9009411.cif
http://qiserver.ugr.es/cod/9009412.cif
http://qiserver.ugr.es/cod/9009413.cif
http://qiserver.ugr.es/cod/9009414.cif
http://qiserver.ugr.es/cod/9009415.cif
http://qiserver.ugr.es/cod/9009416.cif
http://qiserver.ugr.es/cod/9009417.cif