@article {44762,
	title = {Nitrogen fertilization of trembling aspen seedlings grown on soils of different pH},
	volume = {33},
	year = {2003},
	pages = {552-560},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjfr\&volume=33\&articleFile=x02-191.pdf},
	author = {Desrochers, A. and van den Driessche, R. and Thomas, B. R.}
}
