1. Asst. Prof. of Civ. Engrg., Dept. of Civ. and Arch. Engrg., Univ. of Wyoming, Laramie, WY 82071.
2. Struct. Engr., Black and Veatch, 11900 East Cornell Ave., Ste. 300, Aurora, CO 80014.
3. Prof. of Civ. Engrg., Dept. of Civ. and Arch. Engrg., Univ. of Wyoming, Laramie, WY.