@article {31157,
	title = {Vegetation types and forest productivity : west part of Syncrude{\textquoteright}s Lease 17, Alberta},
	volume = {Environmental Research Monograph 1977-6},
	year = {1977},
	pages = {51},
	institution = {Western Ecological Services Ltd. for Syncrude Canada},
	address = {Edmonton, AB},
	author = {Peterson, E. B. and Levinsohn, A. G.}
}
