Problems of land degradation in Commonwealth Africa : a study of the scope of Commonwealth action 1989 Milner, C. | Douglas, M. G. |
The economic value of wilderness : proceedings of the conference, Jackson, Wyoming, May 8-11, 1991 1992 Payne, Claire | Bowker, J. M. | Reed, Patrick C. |
The green directory of Zimbabwe, 1993/94 : a handbook on environmental issues and organisations active in Zimbabwe 1993 Mutemeri, Gama | Chivasa, Maxwell | Munjoma, Leonisa |
The southern African environment : profiles of the SADC countries 1993 Moyo, Sam | O'Keefe, Phil | Sill, Michael |
Problems in management of locally abundant wild mammals 1981 Jewell, Peter Arundel | Holt, Sidney Joseph |