@article {,
	title = {History of nutrient inputs to the Northeastern United States, 1930-2000.},
	journal = {Global Biogeochemical Cycles},
	volume = {27},
	number = {2},
	year = {2013},
	note = {PI Data},
	pages = {578-591},
	keywords = {anthropogenic, disturbance, inorganic nutrients, LTER-PIE, Northeast United States, nutrient inputs},
	doi = {10.1002/gbc.20049},
	author = {Hale, R.L. and Hoover, J.H. and Wollheim, W.M. and Vorosmarty, C.J.}
}
@article {PIE312,
	title = {Urban Geochemistry: Hotbeds of Biogeochemical Diversity: Insights from Urban Long-Term Ecological Research Sites},
	journal = {Elements},
	volume = {8},
	year = {2012},
	note = {PI Plum Data},
	pages = {435-438},
	keywords = {climate variability, disturbance, inorganic nutrients, LTER, LTER-PIE, nitrogen retention, spatial heterogeneity, urban ecology},
	doi = {10.2113/gselements.8.6.435},
	author = {Bain, D.J. and Hale, R.L. and Wollheim, W.M.}
}
