@article {26139,
	title = {Some laboratory results related to mining oil sand by block caving. Proceedings Athabasca Oil Sands Conference, September 1951},
	year = {1951},
	pages = {158-161},
	institution = {Board of Trustees Oil Sands Project, Government of Alberta},
	address = {Edmonton, AB},
	attachments = {http://www.barbau.ca/sites/www.barbau.ca/files/Proceedings_Athabasca_oil_sands_conference_Sept_1951_21.pdf},
	author = {Clark, K. A. and Alexander, E. L.}
}
