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SCIENCE.1186120
SCIENCE.1186120
http://dx.doi.org/10.1126/SCIENCE.1186120
The evolution and future of Earth's nitrogen cycle.
P356
Q37798589-C0BAEA74-CDD5-4054-A78A-5311F2E49394
P356
SCIENCE.1186120
http://dx.doi.org/10.1126/SCIENCE.1186120