1) Clarke, M.C.G., Woodhall, D.G., Allen, D., and Darling, G., 1990: Geological, volcanological and hydogeological controls of the occurrence of geothermal activity in the area surrounding Lake Naivasha, Kenya . Ministry of Energy report.
2) D. J. Jennings. Report n. 86. Geology of the Molo Area: Degree Sheet 42, N.E. Quarter (Geological Survey of Kenya). Geological Survey of Kenya, 1971