1. Time-series Analysis : Forecasting and Control;Box,1976
2. Considerations in the Design and Layout of a Surface Refrigeration System at the Southern Shaft Buffelsfontein Gold Mine;De Nysschen,1980
3. Simulation of Refrigeration Systems for the Environmental Control of Deep Gold Mines;Middleton,1979
4. Simulation and Optimal Control of Refrigeration Systems used for Environmental Control in South African Gold Mines;Middleton,1980
5. The Modelling and Control of Refrigeration Plants in Deep South African Gold Mines;Middleton,1984