@article {49251,
	title = {Canopy and emergent white spruce in "pure" broadleaf stands : frequency, predictive models, and ecological importance},
	volume = {39},
	year = {2009},
	pages = {1997-2004},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/rpv?hm=HInit\&journal=cjfr\&volume=39\&afpf=x09-094.pdf},
	author = {Cumming, Steve and Trindade, Mariana and Greene, David and Macdonald, S. Ellen}
}
