Annual Member
Technical Meetings on Biological Nitrogen Fixation of the International Biological Programme (Section PP-N) : 1970 : Prague and Wageningen's books list
| No. | Title | Publish Year |
|---|---|---|
| 1. | Biological nitrogen fixation in natural and agricultural habitats; proceedings held at Prague on 27 August to 4 September, 1970. | 1971 |