@article {29165,
	title = {Athabasca tar sands study. V. 2. Supplementary working papers [2] Recommended models for calculating diffusion from point sources with applications to the Athabasca bituminous sands area},
	year = {1973},
	pages = {377-419},
	institution = {Intercontinental Engineering of Alberta Ltd. for Alberta Environment},
	address = {Edmonton, AB},
	author = {Western Research \& Development Ltd.}
}
