Engineering Foundation Conference on Subsurface Exploration for Underground Excavation and Heavy Construction New England College, Engineering Foundation (U.S.), & New England College. (1974). Subsurface exploration for underground excavation and heavy construction: Proceedings of a specialty conference held at New England College, Henniker, New Hampshire, August 11-16, 1974. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)Engineering Foundation Conference on Subsurface Exploration for Underground Excavation and Heavy Construction New England College, Engineering Foundation (U.S.), agus New England College. Subsurface Exploration for Underground Excavation and Heavy Construction: Proceedings of a Specialty Conference Held at New England College, Henniker, New Hampshire, August 11-16, 1974. New York: American Society of Civil Engineers, 1974.
Lua MLA (9ú heag.)Engineering Foundation Conference on Subsurface Exploration for Underground Excavation and Heavy Construction New England College, et al. Subsurface Exploration for Underground Excavation and Heavy Construction: Proceedings of a Specialty Conference Held at New England College, Henniker, New Hampshire, August 11-16, 1974. American Society of Civil Engineers, 1974.