1. Natural versus unnatural heavy metal concentrations in lake sediments in Canada;Allan,1975
2. Relative atomic variation (RAV) of elements in lake sediments: Lake Winnipeg and other Canadian lakes;Allan,1977
3. Pathways of mercury in a polluted northwestern Ontario lake;Armstrong,1973
4. Mercury pollution—An examination of some basis issues;Azzaria;Can. Min. metall. Bull.,1976
5. Mercury levels in fish from Northwestern Ontario;Bishop,1976