Nitrogen fixation research progress : proceedings of the 6th International Symposium on Nitrogen Fixation, Corvallis, OR 97331, August 4-10, 1985 /
edited by H. J. Evans, P. J. Bottomley, W. E. Newton.
- Dordrecht, The Netherlands : M. Nijhoff, 1985.
- xiv, 731 p. : ill.
- Current plant science and biotechnology in agriculture .