http://qiserver.ugr.es/cod/2005005.cif
http://qiserver.ugr.es/cod/2100388.cif
http://qiserver.ugr.es/cod/2107445.cif
http://qiserver.ugr.es/cod/2107446.cif
http://qiserver.ugr.es/cod/2107448.cif
http://qiserver.ugr.es/cod/2107450.cif
http://qiserver.ugr.es/cod/2107452.cif
http://qiserver.ugr.es/cod/2107454.cif
http://qiserver.ugr.es/cod/7224012.cif
http://qiserver.ugr.es/cod/9012312.cif
http://qiserver.ugr.es/cod/9015117.cif