William Colgan
- Open-Pit Glacier Ice Excavation: Brief Review. In: Journal of Cold Regions Engineering, v. 27, n. 4 (Dezember 2013). (2013):
- Considering the Ice Excavation Required to Establish and Maintain an Open Ice Pit. In: Journal of Cold Regions Engineering, v. 28, n. 3 (September 2014). (2014):