@article {39103,
	title = {Water quality in Banff National Park and Jasper National Park (1973 to 1991) Part 1: Interpretive report},
	year = {1993},
	institution = {Environment Canada, Inland Waters Directorate, Water Quality Branch},
	author = {Block, H. and Crosley, R. and Shaw, P. and Donald, D.}
}
