BYTNEROWICZ, Andrzej, Witold FRACZEK, Susan SCHILLING, and Diane ALEXANDER. 2010. “Spatial and Temporal Distribution of Ambient Nitric Acid and Ammonia in the Athabasca Oil Sands Region, Alberta”. Journal of Limnology 69 (s1):11-21. https://doi.org/10.4081/jlimnol.2010.s1.11.