1. Associate Professor, Dept. of Civil and Engineering Mechanics, Univ. of Arizona, Tucson, AZ 85721-0072.
2. Engineer, Pinnacle Engineering, Houston, TX 77063.
3. Structural Engineer, Schuff International Inc., Phoenix, AZ 85009-5957.
4. Project Engineer, Buehler and Buehler Structural Engineers, Sacramento, CA 95814.