| 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-O-8531O-O62-1 (O-8531O-O62-4) | 1998 | Lord John Selwyn Gummer |
Peter B · Peter Badcock · Peter Bitzyk · Peter Butschkow · Piotr Bohdziewicz