1. Graduate M.Sc. Student, Dept. of Civil and Environmental Engineering, Mississippi State Univ., MS 39762.
2. Associate Professor of Civil Engineering and Construction Engineering and Management Program Coordinator, Dept. of Civil and Environmental Engineering, Univ. of Tennessee-Knoxville, Knoxville, TN 37996.
3. Assistant Professor, Dept. of Agricultural Economics, Mississippi State Univ., MS 39762.
4. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Tennessee-Knoxville, Knoxville, TN 37996.