http://qiserver.ugr.es/cod/1001036.cif
http://qiserver.ugr.es/cod/1001772.cif
http://qiserver.ugr.es/cod/1510819.cif
http://qiserver.ugr.es/cod/1537471.cif
http://qiserver.ugr.es/cod/1537472.cif
http://qiserver.ugr.es/cod/1537473.cif
http://qiserver.ugr.es/cod/1537892.cif
http://qiserver.ugr.es/cod/1537894.cif
http://qiserver.ugr.es/cod/1542052.cif