1. Postdoctoral Scholar, Center for Environmental Research and Technology, Univ. of California at Riverside, 1084 Columbia Ave, Riverside, CA 92507; formerly, Ph.D. Student of Civil Engineering, The University of Mississippi.
2. Associate Professor, Dept. of Civil Engineering, and Director of Center for Advanced Infrastructure Technology, The Univ. of Mississippi, Carrier Hall 203, University, MS 38677-1848.