@article {31348,
	title = {Diversity and vitality of 10 epiphytic lichens measured over standardized sections of jack pine, white spruce and black spruce within an 11 kilometer radius from the Great Canadian Oil Sands Limited complex in July 1977},
	year = {1978},
	note = {Cited Timoney and Lee, 2009},
	institution = {Great Canadian Oil Sands Ltd. },
	author = {Wylie, E.}
}
