http://qiserver.ugr.es/cod/1100302.cif
http://qiserver.ugr.es/cod/1100322.cif
http://qiserver.ugr.es/cod/1100365.cif
http://qiserver.ugr.es/cod/1100373.cif
http://qiserver.ugr.es/cod/5000125.cif
http://qiserver.ugr.es/cod/5000244.cif
http://qiserver.ugr.es/cod/5000309.cif
http://qiserver.ugr.es/cod/7120393.cif
http://qiserver.ugr.es/cod/9012845.cif