http://qiserver.ugr.es/cod/9012033.cif
http://qiserver.ugr.es/cod/9012034.cif
http://qiserver.ugr.es/cod/9012035.cif
http://qiserver.ugr.es/cod/9012036.cif
http://qiserver.ugr.es/cod/9012037.cif
http://qiserver.ugr.es/cod/9012038.cif
http://qiserver.ugr.es/cod/9012039.cif
http://qiserver.ugr.es/cod/9012040.cif
http://qiserver.ugr.es/cod/9012041.cif
http://qiserver.ugr.es/cod/9013111.cif