http://qiserver.ugr.es/cod/9008050.cif
http://qiserver.ugr.es/cod/9008052.cif
http://qiserver.ugr.es/cod/9008053.cif
http://qiserver.ugr.es/cod/9008054.cif
http://qiserver.ugr.es/cod/9008055.cif
http://qiserver.ugr.es/cod/9008056.cif
http://qiserver.ugr.es/cod/9008057.cif
http://qiserver.ugr.es/cod/9008058.cif
http://qiserver.ugr.es/cod/9008059.cif
http://qiserver.ugr.es/cod/9008060.cif