1. PhD Candidate, Univ. of Minnesota, 500 Pillsbury Dr. SE, Minneapolis, MN 55455.
2. Assistant Professor, Georgia Institute of Technology, Atlanta, GA 30318.
3. Professor, Georgia Institute of Technology, Atlanta, GA 30318.
4. KPFF Consulting Engineers, 1201 Third Ave., Suite 900, Seattle, WA 98101.
5. Managing Partner, E*Sorbs Systems, Berkeley, CA 94708.
6. Seismic & Structural Engineering Group, CERL, U.S. Army Research and Development Center, 2902 Newmark Dr., Champaign, IL 61822-1076.