http://qiserver.ugr.es/cod/1540324.cif
http://qiserver.ugr.es/cod/1540327.cif
http://qiserver.ugr.es/cod/1540329.cif
http://qiserver.ugr.es/cod/1540332.cif
http://qiserver.ugr.es/cod/1540335.cif
http://qiserver.ugr.es/cod/1540337.cif
http://qiserver.ugr.es/cod/1541059.cif
http://qiserver.ugr.es/cod/1541060.cif
http://qiserver.ugr.es/cod/1541061.cif