| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Fennoscandian Tundra Ecosystems: Part 1 Plants and Microorganisms | 978-3-540-07218-8 | 1975 | Frans Emil Wielgolaski · P. Kallio |
| Fennoscandian Tundra Ecosystems: Part 2 Animals and Systems Analysis | 978-3-540-07551-6 | 1976 | Frans Emil Wielgolaski · P. Kallio · H. Kauri · E. Ostbye |
| Nitrogen Cycling in West African Ecosystems by | 978-91-7190-007-4 | 1980 | |
| Terrestrial Nitrogen Cycles: Processes, ecosystem strategies, and management impacts | 978-91-546-0290-2 | 1981 | F.E. Clark |