| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Contesting Views and Changing Paradigms: The Land Degradation Debate in Southern Africa | 978-91-7106-357-1 (91-7106-357-9) | 1994 |
| Local institutions and their role in soil conservation: A case study in Maphutseng, Mohale's Hoek District, Lesotho: report from a minor field study ... International Rural Development Centre) | 978-91-576-3385-9 (91-576-3385-1) | 1988 |