1. Project Engineer, Marshall Macklin Monaghan, Ltd., Thornhill ON, Canada L3T 7N4.
2. Emeritus and Univ. Professor, Dept. of Civil and Environmental Engineering, Univ. of Windsor, Windsor ON, Canada N9B 3P4.
3. Associate Professor, Dept. of Civil Engineering, Ryerson Univ., Toronto ON, Canada M5B 2K3.