http://qiserver.ugr.es/cod/2107206.cif
http://qiserver.ugr.es/cod/2107331.cif
http://qiserver.ugr.es/cod/5000168.cif
http://qiserver.ugr.es/cod/5000181.cif
http://qiserver.ugr.es/cod/5000183.cif
http://qiserver.ugr.es/cod/9007679.cif
http://qiserver.ugr.es/cod/9007680.cif
http://qiserver.ugr.es/cod/9007681.cif
http://qiserver.ugr.es/cod/9011264.cif
http://qiserver.ugr.es/cod/9011265.cif
http://qiserver.ugr.es/cod/9011266.cif
http://qiserver.ugr.es/cod/9011267.cif
http://qiserver.ugr.es/cod/9017320.cif