1.
Viljoen J, Campbell QP, le Roux M, Hoffman J. The qualification of coal degradation with the aid of micro-focus computed tomography. S. Afr. J. Sci. [Internet]. 2015 Sep. 25 [cited 2024 Apr. 25];111(9/10):10. Available from: https://sajs.co.za/article/view/3773