@article {40704,
	title = {The effects of humidity on photosynthesis and water relations of white spruce seedlings during the early establishment phase},
	volume = {26},
	year = {1996},
	pages = {1015-1021},
	publisher = {Canadian Journal of Forest Research},
	url = {http://search.proquest.com/docview/304274075},
	author = {Marsden, B. J. and Lieffers, V. J. and Zwiazek, J. J.}
}
