1. Rb-Sr ages for the western Transvaal;Allsop;Nature,1964
2. Discussing paper by Dewey and Pitman;Bally;Philos. Trans. R. Soc. London,1982
3. Foreland Basins;Beaumont;Geophys. J. Astron. Soc.,1981
4. Evolution and subsidence of early Precambrian sedimentary basins;Bickle;Philos. Trans. R. Soc. London,1982
5. Exploration of the Witwatersrand System and its extensions;Borchers;Proc. Geol Soc. S. Afr.,1961