http://qiserver.ugr.es/cod/1509870.cif
http://qiserver.ugr.es/cod/1509873.cif
http://qiserver.ugr.es/cod/1531162.cif
http://qiserver.ugr.es/cod/1531165.cif
http://qiserver.ugr.es/cod/1531281.cif
http://qiserver.ugr.es/cod/1531821.cif
http://qiserver.ugr.es/cod/1531983.cif
http://qiserver.ugr.es/cod/1531985.cif
http://qiserver.ugr.es/cod/1531986.cif
http://qiserver.ugr.es/cod/1534846.cif