@mastersthesis {53662,
	title = {Soil acidification by emitted sulphur in the Athabasca oil sands area},
	year = {1980},
	pages = {137 pages },
	school = {University of Alberta Department of Soil Science },
	address = {Edmonton, AB },
	keywords = {acidity, air emissions, alkalinity, field trials, pH, sulphur and SO2, UofA},
	author = {Yeung, Paul Y.P.}
}
