1. Postdoctoral Researcher, Dept. of Civil Engineering, Texas State Univ., San Marcos, TX.
2. Graduate Student, Dept. of Civil Engineering, Texas State Univ., San Marcos, TX.
3. Associate Professor, Dept. of Civil Engineering, Texas State Univ., San Marcos, TX.
4. Associate Professor, Dept. of Civil Engineering, Univ. of Arkansas, Fayetteville, AR.