@article {40644,
	title = {Seasonal patterns of light transmission through boreal mixedwood canopies},
	volume = {26},
	year = {1996},
	pages = {1008-1014},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/rpv?hm=HInit\&calyLang=eng\&journal=cjfr\&volume=26\&afpf=x26-111.pdf},
	author = {Constabel, A. J. and Lieffers, V. J.}
}
