1-3 of 3 Books

Symbiotic nitrogen fixation
By North American Conference on Symbiotic Nitrogen Fixation (14th 1993 University of Minnesota)

Biological fixation of nitrogen for ecology and sustainable agriculture
By A. Pühler

Limitations and Potentials for Biological Nitrogen Fixation in the Tropics (Basic Life Sciences ; V. 10)
By J. Dobereiner