1. Research Associate, New Campus Planning Office, Kyushu Univ., 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8521, Japan; formerly, Ph.D. candidate, Graduate School of Science and Technology, Nagasaki Univ.
2. Professor, Graduate School of Science and Technology, Nagasaki Univ., 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan.
3. Visiting Scholar, Dept. of Geography, Univ. of British Columbia, 1984 West Mall, Vancouver BC, Canada V6T 1Z2; formerly, Research Associate, Dept. of Civil Engineering, Nagasaki Univ.