1. Institute of Advanced Technology, Univ., of Texas at Austin, Austin, TX 78712, US.
2. Polytechnic Institute of New York Univ., Brooklyn, NY 11201, US.
3. Sc.D., Polytechnic Institute of New York Univ., Brooklyn, NY 11201, US.
4. Ph.D., PE, Polytechnic Institute of New York Univ., Brooklyn, NY 11201, US (Corresponding author), e-mail: iskander@poly.edu