@article {30707,
	title = {Air quality monitoring with a lichen network : baseline data},
	volume = {Environmental Research Monograph 1977-5},
	year = {1977},
	pages = {79 pp. },
	institution = {Douglas Ecological Consultants Ltd. for Syncrude Canada Ltd.},
	address = {Edmonton, AB},
	url = {https://era.library.ualberta.ca/downloads/bg257f28s},
	author = {Peterson, W. L. and Douglas, G. W.}
}
