Current issues symbiotic nitrogen fixation
proceedingsof the fifteenth North American Symbiotic Nitrogen Fixation Conference, held at North California, USA, on 13th to 17th August, 1995 edited by Gerald H. Elkan and Robert G. Upchurch
- Boston : Kluwer Academic Publishers , 1997
- 196p.
0792343760
Conferences Nitrogen fixation Rhizobium Symbiosis Upchurch Robert G., ed.