VII International Conference on Molten slags, fluxes salts
M6 Assay and Analytical Practice in the South African Mining Industry (1986) Lenan and R. de L. MurraySmith M7 The Extractive Metallurgy of Gold in South Africa, 2 volumes (1987) Edited by Stanley M8 Mineral and Metal Extraction — An Overview (1994) Woollacott and Eric M9 Rock Fracture and Rockbursts—an illustrative study