1. Graduate Research Assistant, Dept. of Civil, Structural, and Environmental Engineering, Univ. at Buffalo–The State Univ. of New York, Buffalo, NY 14260.
2. Associate Professor, Dept. of Civil, Structural, and Environmental Engineering, Univ. at Buffalo–The State Univ. of New York, Buffalo, NY 14260.
3. Samuel P. Capen Professor, Dept. of Civil, Structural, and Environmental Engineering, Univ. at Buffalo–The State Univ. of New York, Buffalo, NY 14260.