Using satellite imagery and rainfall data to track climate variability in South Africa. - Brilliant Mareme Petja; Johan Malherbe; Dawie van Zyl (IGARSS, 2004)

Assessing the use of Coarse Resolution Imagery for Prioritizing Drought Prone/Severely Degraded Areas for Mitigation Policy Options in South Africa. - Brilliant Mareme Petja; Dawie van Zyl; Phila C. Sibandze; Mokhele E. Moeletsi; Sylvester N. Mpandeli; Matiga Motsepe; Thabo Mashego (IGARSS (3), 2008)