http://qiserver.ugr.es/cod/1007069.cif
http://qiserver.ugr.es/cod/1007070.cif
http://qiserver.ugr.es/cod/1008231.cif
http://qiserver.ugr.es/cod/1008232.cif
http://qiserver.ugr.es/cod/1008233.cif
http://qiserver.ugr.es/cod/1008234.cif
http://qiserver.ugr.es/cod/1008235.cif
http://qiserver.ugr.es/cod/1008236.cif
http://qiserver.ugr.es/cod/1008941.cif
http://qiserver.ugr.es/cod/1008942.cif
http://qiserver.ugr.es/cod/1100076.cif
http://qiserver.ugr.es/cod/9014940.cif