G.E · Gerald H. Elkan · H. E.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Current Issues in Symbiotic Nitrogen Fixation: Proceedings of the 5th North American Symbiotic Nitrogen Fixation Conference, held at North ... | 978-0-7923-4367-7 (0-7923-4367-0) | 1997 | R.G. Upchurch |
| Symbiotic Nitrogen Fixation Technology | 978-0-8247-7751-7 (0-8247-7751-4) | 1987 | Elkan |