1. Associate Engineer, Hydraulic Planning and Research Institute, W.C.A., M.O.E.A., 1340 Jung-Jeng Rd., Wu-Feng Hsian, Taichung, Taiwan, R.O.C.
2. Associate Professor, Dept. of Civil Engineering, Kao Yuan Institute of Technology, 1821 Chung-Shan Rd., Lu-Chu Hsian, Kaohsiung, Taiwan, R.O.C.
3. Professor, Dept. of Hydraulic and Ocean Engineering, National Cheng Kung Univ., 1 Ta-Hsueh Rd., Tainan, Taiwan, R.O.C.