@article {33938,
	title = {Root system morphology of common boreal forest trees in Alberta, Canada},
	volume = {13},
	year = {1983},
	pages = {1164-1173},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjfr\&volume=13\&articleFile=x83-155.pdf},
	author = {Strong, W.L. and La Roi, G.H.}
}
