http://qiserver.ugr.es/cod/1001032.cif
http://qiserver.ugr.es/cod/1520919.cif
http://qiserver.ugr.es/cod/1530861.cif
http://qiserver.ugr.es/cod/1533477.cif
http://qiserver.ugr.es/cod/1533481.cif
http://qiserver.ugr.es/cod/1534869.cif
http://qiserver.ugr.es/cod/2003014.cif
http://qiserver.ugr.es/cod/2003015.cif
http://qiserver.ugr.es/cod/2014754.cif
http://qiserver.ugr.es/cod/2107359.cif
http://qiserver.ugr.es/cod/9001585.cif