van Gruting, U, Corne Schutte, WA Pelser, and Jean van Laar. “INVESTIGATING THE LINK BETWEEN COMPRESSED AIR WASTAGE AND VENTILATION SHORTFALLS IN DEEP-LEVEL MINES”. The South African Journal of Industrial Engineering 33, no. 3 (November 11, 2022): 109–123. Accessed October 2, 2023. https://sajie.journals.ac.za/pub/article/view/2786.