@article {43133,
	title = {Effects of cold temperatures on breakage of lodgepole pine and white spruce twigs},
	volume = {31},
	year = {2001},
	pages = {1650-1653},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjfr\&volume=31\&articleFile=x01-087.pdf},
	author = {Lieffers, S. M. and Lieffers, V. J. and Silins, U. and Bach, L.}
}
