1. Ph.D. Student, Dept. of Civil and Environmental Engineering, Auburn Univ., Auburn, AL.
2. Dept. of Civil and Environmental Engineering, Auburn Univ., Auburn, AL.
3. COMET, School of Earth and Environment, Univ. of Leeds, Leeds, UK.
4. Faculty of Geodesy and Geomatics Engineering, K. N. Toosi Univ. of Technology, Tehran, Islamic Republic of Iran.