http://qiserver.ugr.es/cod/1011011.cif
http://qiserver.ugr.es/cod/1529832.cif
http://qiserver.ugr.es/cod/1536131.cif
http://qiserver.ugr.es/cod/1540779.cif
http://qiserver.ugr.es/cod/2105434.cif
http://qiserver.ugr.es/cod/2310355.cif
http://qiserver.ugr.es/cod/4001535.cif
http://qiserver.ugr.es/cod/4002384.cif
http://qiserver.ugr.es/cod/8103587.cif
http://qiserver.ugr.es/cod/9016256.cif