@article {29837,
	title = {The problem of soil acidification by sulphur dioxide. In : Proceedings of a workshop on reclamation of disturbed lands in Alberta, March 27-28, 1974, edited by Drake Hocking, William R. MacDonald},
	volume = {Information Report NOR-X-116},
	year = {1974},
	pages = {71-75},
	institution = {Canadian Forestry Service, Northern Forest Research Centre},
	author = {Hocking, D. and Nyborg, M.}
}
