http://qiserver.ugr.es/cod/1000050.cif
http://qiserver.ugr.es/cod/1010821.cif
http://qiserver.ugr.es/cod/1010897.cif
http://qiserver.ugr.es/cod/1011068.cif
http://qiserver.ugr.es/cod/1011159.cif
http://qiserver.ugr.es/cod/1011192.cif
http://qiserver.ugr.es/cod/1011284.cif
http://qiserver.ugr.es/cod/9012839.cif
http://qiserver.ugr.es/cod/9012840.cif