Daniel J. Boivin
- Underground space use and planning in the Québec City area. Dans: Tunnelling and Underground Space Technology, v. 5, n. 1-2 (janvier 1990). (1990):
- Montreal's underground network: A study of the downtown pedestrian system. Dans: Tunnelling and Underground Space Technology, v. 6, n. 1 (janvier 1991). (1991):