@article {32854,
	title = {Acidification in the Canadian aquatic environment : scientific criterion for assessment of the effects of acidic deposition on aquatic ecosystems},
	volume = {Report No. 18475},
	year = {1981},
	pages = {369},
	institution = {National Research Council Canada},
	address = {Ottawa, Ont.},
	author = {Harvey, H. H. and Pierce, R. C. and Dillon, P. J. and Kramer, J. P. and Whelpdale, D. M.}
}
