Kamguia, Joseph, Charles T. Tabod, R. Nouayou, J.M. Tadjou, E. Manguelle-Dicoum, and H.L. Kande. 2007. “The Local Geoid Model of Cameroon: CGM05”.
Nordic Journal of Surveying and Real Estate Research
4 (2). https://journal.fi/njs/article/view/1658.