@proceedings {113,
	title = {Circumpolar relationships between permafrost characteristics, NDVI, and arctic vegetation types},
	year = {2008},
	pages = {1469-1474},
	author = {Raynolds, MK and Walker, DA}
}
@article {119,
	title = {Phytomass patterns across a temperature gradient of the North American arctic tundra},
	journal = {J. Geophys. Res},
	volume = {113},
	year = {2008},
	pages = {G03S02},
	author = {Epstein, H.E. and Walker, DA and Raynolds, MK and Jia, G.J. and Kelley, A.M.}
}
@article {123,
	title = {Relationship between satellite-derived land surface temperatures, arctic vegetation types, and NDVI},
	journal = {Remote Sensing of Environment},
	volume = {112},
	number = {4},
	year = {2008},
	pages = {1884-1894},
	isbn = {0034-4257},
	author = {Raynolds, MK and Comiso, J.C. and Walker, DA and Verbyla, D.}
}
