1. Geology, geomorphology, hydrology, groundwater and physical resources;Allison,1998
2. Spectral characteristics of vegetation, soil and water in visible, near infrared and middle-infrared wavelengths;Belward,1991
3. Results of a preliminary survey of livestock owners;Campbell,1998
4. Satellite observed seasonal and inter annual variation of vegetation over the Kalahari, the Great Victoria Desert and the Great Sandy Desert 1979–1984;Choudbury;Remote Sensing of Environment,1987
5. Edwards, M. C. (1999). Detection and monitoring of arid grazing land vegetation using ATSR-2 and geometric optical modelling. Unpublished PhD thesis, University of Leicester.