1. Food And Agricultural Organisation of the UN (FAO), 2006. Millions of people are on the brink of starvation in the Horn of Africa. http://www.fao.org/newsroom/en/news/2006/1000206/index.html
2. Gamoyo, M.J. (2012). Rainfall variability characteristics over the East African coast. Unpublished MSc thesis, University of Cape Town, 51 pp
3. Hastenrath S, Nicklis A, Greischar L (1993) Atmospheric-hydrospheric mechanisms of climate anomalies in the western equatorial Indian Ocean. J Geophys Res Oceans (1978–2012) 98(C11):20219–20235
4. Indeje M, Semazzi FH, Ogallo LJ (2000) ENSO signals in East African rainfall seasons. Int J Climatol 20(1):19–46
5. Jury MR, Weeks S, Gondwe MP (1997) Satellite-observed vegetation as an indicator of climate variability over southern Africa. S Afr J Sci 93(1):34–38