@article {35039,
	title = {Growth and physiological responses of aspen and jack pine to intermittent SO2 fumigation episodes},
	volume = {64},
	year = {1986},
	pages = {2421-2427},
	publisher = {Canadian Journal of Botany},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjb\&volume=64\&articleFile=b86-322.pdf},
	author = {L{\textquoteright} Hirondelle, S. J. and Addison, P. A. and Huebert, D. B.}
}
