Symbiotic nitrogen fixation : proceedings of the 14th North American Conference on Symbiotic Nitrogen Fixation, July 25-29, 1993, University of Minnesota, St. Paul, Minnesota, USA - North American Conference on Symbiotic Nitrogen Fixation 1993 : University of Minnesota); Graham, Peter H.; Sadowsky, M. J. (Michael J.); Vance, Carroll Phillip, 1945- (Dordrecht : Kluwer Academic Publishers, 1994)
Includes bibliographical references.
Keywords: Nitrogen -- Fixation -- Congresses; Rhizobium -- Congresses; Nitrogen-fixing bacteria -- Congresses