http://qiserver.ugr.es/cod/1539419.cif http://qiserver.ugr.es/cod/1539423.cif http://qiserver.ugr.es/cod/1539809.cif http://qiserver.ugr.es/cod/1539812.cif http://qiserver.ugr.es/cod/1541101.cif http://qiserver.ugr.es/cod/1541292.cif http://qiserver.ugr.es/cod/1541293.cif