1. Professor, Dept. of Construction Engineering, Univ. of Quebec, École de Technologie Supérieure, Montréal PQ, Canada H3C 1K3.
2. President, SDR Engineering Inc., Tallahassee, FL.
3. Research Associate, Dept. of Construction Engineering, Univ. of Quebec, École de Technologie Supérieure, Montréal PQ, Canada H3C 1K3.