1. Research Engr., Boundary Layer Wind Tunnel Lab., Faculty of Engrg. Sci., The Univ. of Western Ontario, London, Onatario
2. Dir., Boundary Layer Wind Tunnel Lab., Faculty of Engrg. Sci., The Univ. of Western Ontario, London, Ontario
3. Assoc. Research Dir., Boundary Layer Wind Tunnel Lab., Faculty of Engrg. Sci., The Univ. of Western Ontario, London, Ontario