1. Associate Professor, College of Architecture, CAUD, Myongji Univ., Yongin 449-728, South Korea.
2. Associate Professor, Dept. of Architecture, Landscape Architecture, and Civil Engineering, Sungkyunkwan Univ., Suwon 400-746, South Korea.
3. Assistant Professor, Dept. of Architecture, Ajou Univ., Suwon 442-749, South Korea.