@article {30069,
	title = {Interim report on long-term impact on the forest of emissions from a sulphur extraction plant. In : Proceedings of Alberta Sulphur Gas Research Workshop II, held at Environmental Sciences Centre, Kananaskis, Alberta, 16-17 January 1975, edited by W. R. Ma},
	year = {1975},
	pages = {132-138},
	institution = {Alberta Environment, Research Secretariat and University of Calgary, Environmental Sciences Centre},
	author = {Hocking, Drake}
}
