1. Associate Director, Construction Industry Institute, Univ. of Texas at Austin, Austin, TX 78759.
2. Assistant Professor, Dept. of Engineering Technology, Univ. of Houston, Houston, TX 77204.
3. Project Manager, Lower Colorado River Authority, Austin, TX 78767.
4. Professor, Dept. of Civil Engineering, Univ. of Texas at Austin, Austin, TX 78712.
5. Economist, Office of Applied Economics, National Institute of Standards and Technology, Gaithersburg, MD 20899.