The gravity survey of the Republic of South Africa.
Part. 1: Gravimeter observations, by P. J. Smit. Part 2: Isostatic anomalies and crustal structure, by A. L. Hales and D. I. Gough.
- Pretoria, Govt. Printer, 1962.
- vii, 486 p. illus. (3 fold.) maps. (7 fold., 3 col., in slipcase) 25 cm.