@article {39121,
	title = {15N-labelled urea fertilization of a tamarack/black spruce mixed stand on a drained minerotrophic peatland : 15N in soil and tree uptake},
	volume = {68},
	year = {1994},
	pages = {339-351},
	publisher = {Forest Ecology and Management},
	author = {Mugasha, Ancelm G. and Pluth, Donald J.}
}
