@article {38451,
	title = {Peatland and upland black spruce populations in Alberta, Canada : isozyme variation and seed germination ecology},
	volume = {41},
	year = {1992},
	pages = {117-122},
	publisher = {Silvae Genetica},
	url = {http://www.bfafh.de/inst2/sg-pdf/45_2-3_159.pdf},
	author = {Wang, Z. M. and Macdonald, S. E.}
}
