@article {777,
	title = {Slow recovery of boreal forest ecosystem following decreased nitrogen input. },
	volume = {15},
	year = {2001},
	pages = {451-457},
	author = {Strengbom, J. and Nordin, A. and Ndsholm, T. and Ericson, L.}
}
@article {1319,
	title = {Slow recovery of boreal forest ecosystem following decreased nitrogen input},
	volume = {15},
	year = {2001},
	pages = {451-457},
	author = {Strengbom, J. and Nordin, A. and N{\"a}sholm, T. and Ericson, L.}
}
