| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Plant Analysis: An Interpretation Manual | 978-0-643-05938-2 (0-643-05938-5) | 1997 | J.B. Robinson · D Reuter · JB Robinson |
| Soil Analysis: An Interpretation Manual | 978-0-643-06376-1 (0-643-06376-5) | 1999 | K.I. Peverill · L.A. Sparrow |