@article {41154,
	title = {Seasonal photosynthetic responses to light and temperature in white spruce (Picea glauca) seedlings planted under an aspen (Populus tremuloides) canopy and in the open},
	volume = {17},
	year = {1997},
	pages = {437-444},
	publisher = {Tree Physiology},
	author = {Man, R. and Lieffers, V. J.}
}
