@article {42994,
	title = {A generalized logistic model of individual tree mortality for aspen, white spruce, and lodgepole pine in Alberta mixwood forests},
	volume = {31},
	year = {2001},
	pages = {283-291},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/rpv?hm=HInit\&calyLang=eng\&journal=cjfr\&volume=31\&afpf=x00-162.pdf},
	author = {Yao, X. H. and Titus, S. J. and Macdonald, S. E.}
}
