Biological Assimilation of N
2
:
Symbiotic Nitrogen Fixation in Plants
. Papers from a meeting, Edinburgh, Sept. 1973. P. S. Nutman, Ed. Cambridge University Press, New York, 1976. xxviii, 584 pp., illus. $55. International Biological Programme 7.
1978 ◽
Vol 18
(5)
◽
pp. 385-386
2007 ◽
Vol 18
(5)
◽
pp. 385-386
1976 ◽
Vol 274
(934)
◽
pp. 277-281