Cogho E, Beukes JP, van Zyl P, Vakkari V. The use of fire radiative power observations to determine spontaneous combustion event activities associated with coal mining on the Mpumalanga Highveld. Clean Air J. [Internet]. 2022 Oct. 14 [cited 2024 Apr. 16];32(2). Available from: https://cleanairjournal.org.za/article/view/12145