http://qiserver.ugr.es/cod/9011582.cif
http://qiserver.ugr.es/cod/9011583.cif
http://qiserver.ugr.es/cod/9011584.cif
http://qiserver.ugr.es/cod/9011585.cif
http://qiserver.ugr.es/cod/9011586.cif
http://qiserver.ugr.es/cod/9011587.cif
http://qiserver.ugr.es/cod/9015068.cif