1. Professor, Canada Research Chair, Dept. of Civil Engineering, Univ. of Waterloo, Waterloo, Ontario, Canada N2L 3G1.
2. Associate Professor, Canada Research Chair, Dept. of Civil Engineering, Univ. of Manitoba, Winnipeg, Canada R3T 5V6.
3. Structural Engineer, Acres International, 4342 Queen St., Niagara Falls, Ontario, Canada L2E 6W1.