http://qiserver.ugr.es/cod/1566562.cif
http://qiserver.ugr.es/cod/1567241.cif
http://qiserver.ugr.es/cod/1567242.cif
http://qiserver.ugr.es/cod/1567243.cif
http://qiserver.ugr.es/cod/1567244.cif
http://qiserver.ugr.es/cod/1567245.cif
http://qiserver.ugr.es/cod/1567737.cif
http://qiserver.ugr.es/cod/1567738.cif
http://qiserver.ugr.es/cod/1567739.cif