R.L. Hale, J.H. Hoover, W.M. Wollheim, and C.J. Vörösmarty. History of nutrient inputs to the northeastern United States, 1930–2000. Global Biogeochemical Cycles, 2013, 27, 2, 578-591.
R.L. Hale, J.H. Hoover, W.M. Wollheim, and C.J. Vörösmarty. History of nutrient inputs to the northeastern United States, 1930–2000. Global Biogeochemical Cycles, 2013, 27, 2, 578-591.