| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Cooperative Approaches to Sustainable Agriculture | 978-92-64-15418-6 (92-64-15418-3) | 1998 | OECD Publishing |
| The Environmental Effects of Reforming Agricultural Policies | 978-92-64-16041-5 (92-64-16041-8) | 1998 | Leo Maier |