@article {38961,
	title = {Peatland and upland black spruce populations in Alberta : morphology and ecophysiology},
	volume = {23},
	year = {1993},
	pages = {33-40},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/rpv?hm=HInit\&calyLang=eng\&journal=cjfr\&volume=23\&afpf=x93-006.pdf},
	author = {Wang, Z. M. and Macdonald, S. E.}
}
