Long-Term Phenology and Variability of Southern African Vegetation. - Karen C. Steenkamp; Konrad J. Wessels; Sally Archibald; Graham Von Maltitz (IGARSS (3), 2008)

Remotely Sensed Phenology for Mapping Biomes and Vegetation Functional Types. - Konrad J. Wessels; Karen C. Steenkamp; Graham Von Maltitz; Sally Archibald; Robert Scholes; Simeon Miteff; Asheer Bachoo (IGARSS (4), 2009)