Peter Bitzyk ยท Peter Butschkow
International Fertiliser Society
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Precision Agriculture - Practical Applications of New Technologies: Keynote Address and Discussion, 7th Conference | 978-0-85310-062-1 (0-85310-062-4) | 1998 | John Selwyn Gummer |