1. A revision of the genus Dicroidium from the Molteno Formation;Anderson,1976
2. Foreland basins: an introduction;Allen,1986
3. Proglacial braided outwash: a model for humid aluvial fan deposits;Boothroyd,1978
4. Oil shales of Impendhle District;Botha;Rep. Geol. Surv. S. Afr.,1939
5. South African Coal resources explained and analysed;Bredell;Open-file Rep. Geol. Surv. S. Afr.,1987