The geochronology and evolution of Africa / L. Cahen, N.J. Snelling [with] J. Delhal and J.R. Vail, with the collaboration of M. Bonhomme and D. Ledent. - Cahen, L. (Lucien); Snelling N.J (Oxford [Oxfordshire] : Clarendon Press, 1984.)
Includes indexes and bibliography
Keywords: Geology --Africa.; Geological time