http://qiserver.ugr.es/cod/1510267.cif
http://qiserver.ugr.es/cod/1510445.cif
http://qiserver.ugr.es/cod/1523493.cif
http://qiserver.ugr.es/cod/1523494.cif
http://qiserver.ugr.es/cod/1523495.cif
http://qiserver.ugr.es/cod/1523496.cif
http://qiserver.ugr.es/cod/1537841.cif
http://qiserver.ugr.es/cod/1537843.cif
http://qiserver.ugr.es/cod/1537845.cif