1. Ph.D. Student, Dept. of Civil and Environmental Engineering, Stanford Univ., 473 via Ortega, Stanford, CA 94305.
2. Graduate Student and Visiting Research Assistant, Georgia Institute of Technology and Center for Automotive Research at Stanford.
3. Assistant Professor, Dept. of Civil Engineering, Lakehead Univ., 955 Oliver Rd., Thunder Bay, P7B 5E1.
4. Professor, Dept. of Civil Engineering, Univ. of Toronto, 35 St. George St., Toronto, M5S 1A4.
5. Research Associate, Dept. of Civil and Environmental Engineering, Stanford Univ., 473 via Ortega, Stanford, CA 94305.