@article {38738,
	title = {Competition index for juvenile mixed stands of lodgepole pine and aspen in west-central Alberta},
	volume = {Forest Management Note 57},
	year = {1993},
	institution = {Forestry Canada, Northwest Region, Northern Forestry Centre},
	address = {Edmonton, AB},
	author = {Navratil, S. and MacIsaac, D. A.}
}
