Cleveland, Cory, Alan Townsend, David Schimel, Hank Fisher, Robert Howarth, Lars Hedin, Steven Perakis, et al. 1999. “Global Patterns of Terrestrial Biological Nitrogen (N2) Fixation in Natural Ecosystems”. Global Biogeochemical Cycles 13: 623. Referenced from scholarworks.umt.edu: Global patterns of terrestrial biological nitrogen (N2) fixation in natural ecosystems.
Robert Howarth
First name
Robert
Last name
Howarth