http://qiserver.ugr.es/cod/1511711.cif
http://qiserver.ugr.es/cod/1536084.cif
http://qiserver.ugr.es/cod/1536088.cif
http://qiserver.ugr.es/cod/1536090.cif
http://qiserver.ugr.es/cod/1536286.cif
http://qiserver.ugr.es/cod/1536289.cif
http://qiserver.ugr.es/cod/1536292.cif
http://qiserver.ugr.es/cod/1536295.cif
http://qiserver.ugr.es/cod/1536298.cif
http://qiserver.ugr.es/cod/1536302.cif