@article {44906,
	title = {Stand structure governs the crown collisions of lodgepole pine},
	volume = {33},
	year = {2003},
	pages = {1238-1244},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&articleFile=x03-055.pdf\&journal=cjfr\&volume=33},
	author = {Rudnicki, Mark and Lieffers, Victor J. and Silins, Uldis}
}
