@article {41100,
	title = {Postglacial range extension and population growth of Picea mariana, Picea glauca and pinus banksiana in the western interior of Canada},
	volume = {24},
	year = {1997},
	pages = {865-881},
	publisher = {Journal of Biogeography},
	url = {http://www.jstor.org/stable/2846122},
	author = {MacLeod, T. Katherine and MacDonald, Glen M.}
}
