WONG, S.M.// HOLAHAN, G.M.// CHUNG, J.W.// JOHNSON, M.R. (BROOKHAVEN NATIONAL LAB., UPTON, NY (UNITED STATES))Brookhaven National Laboratory(Brookhaven National Laboratory)1995.
by M. R. Johnson and F. G. Le RouxRepublic of South Africa, Dept. of Mineral and Energy Affairs, Geological Survey : Obtainable from the Govt. Printerc1994