1. Associate Professor, Dept. of Civil Engineering, Middle East Technical Univ., 06531, Ankara, Turkey.
2. Graduate Student Researcher, Dept. of Civil Engineering, Middle East Technical Univ., 06531, Ankara, Turkey.
3. Senior Project Engineer, URS Corporation, Oakland, CA 94612.
4. Senior Project Engineer, US Nuclear Regulatory Commission, Rockville, MD 20555.
5. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94720.