JEFFRIES, Dean S., Raymond G. SEMKIN, John J. GIBSON, and Isaac WONG. “Recently Surveyed Lakes in Northern Manitoba and Saskatchewan, Canada: Characteristics and Critical Loads of Acidity”. Journal of Limnology 69, no. s1 (August 1, 2010): 45–55. Accessed April 18, 2024. https://www.jlimnol.it/jlimnol/article/view/jlimnol.2010.s1.45.