1. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, 2314 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706.
2. Process Manager, Sheet Products and Tubular U.S. Steel, Fairfield Works, Fairfield, AL 35064.
3. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, 2314 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706.
4. Professor, Dept. of Statistics, Univ. of Wisconsin-Madison, 120 Russell Laboratories, 1630 Linden Dr., Madison, WI 53706.