World Congress on Ergonomics 2009 17th World Congress on Ergonomics : IEA 2009 ; Beijing, August 9 - 14, 2009 IEA 2009 : 17th World Congress on Ergonomics ji-Zhongguo-Renlei-Gongxiaoxue-Xuehui-chengli-20-zhounian-qingzhu-dahui-lunwen-huiban ; Beijing, August 9 - 14, 2009 2006 Meeting diversity in ergonomics : 16th World Congress on Ergonomics, 10 to 14 July [2006] in Maastricht