@article {712,
	title = {Effects of nitrogen load to the forest floor in Sitka spruce stands as affected by differences in deposition and spruce aphid infestations. },
	journal = {Water, Air and Soil Pollution},
	volume = {85},
	year = {1995},
	pages = {1173-1178},
	author = {Pedersen, L.B. and Bille-Hansen, J.}
}
