| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Conserving Soil Resources: European Perspectives | 978-0-85198-948-8 (0-85198-948-9) | 1994 | |
| Slope Stabilization and Erosion Control: A Bioengineering Approach | 978-0-419-15630-7 (0-419-15630-5) | 1994 | Roy P.C. Morgan |