@article {30698,
	title = {A summer climate classification for the forested area of the prairie provinces using factor analysis},
	volume = {Information Report NOR-X-177},
	year = {1977},
	institution = {Canadian Forestry Service, Northern Forest Research Centre},
	address = {Edmonton, AB},
	author = {Powell, J. M. and MacIver, D. C.}
}
