1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Villanova Univ., Villanova, PA.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Villanova Univ., Villanova, PA.
3. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Platteville, Platteville, WI.
4. Assistant Professor, Dept. of Civil and Environmental Engineering, Villanova Univ., Villanova, PA.