1. Project Engineer, McNamara/Salvia, Inc. Consulting Engineers, 160 Federal St., 5th Fl., Boston MA 02110; formerly, Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Lehigh Univ., Bethlehem, PA 18015.
2. Bruce G. Johnston Professor of Structural Engineering, ATLSS Center, Dept. of Civil and Environmental Engineering, Lehigh Univ., Bethlehem, PA 18015.
3. Joseph T. Stuart Professor of Structural Engineering and Director, ATLSS Center, Dept. of Civil and Environmental Engineering, Lehigh Univ., Bethlehem, PA 18015.