http://qiserver.ugr.es/cod/1537696.cif
http://qiserver.ugr.es/cod/1537804.cif
http://qiserver.ugr.es/cod/1537806.cif
http://qiserver.ugr.es/cod/1538098.cif
http://qiserver.ugr.es/cod/1538100.cif
http://qiserver.ugr.es/cod/1538286.cif
http://qiserver.ugr.es/cod/1538287.cif
http://qiserver.ugr.es/cod/1538288.cif
http://qiserver.ugr.es/cod/1538713.cif
http://qiserver.ugr.es/cod/1539280.cif
http://qiserver.ugr.es/cod/1539338.cif
http://qiserver.ugr.es/cod/1540959.cif