Authors: Kotze, W Petersen, FW

Citation: W. Kotze et Fw. Petersen, Free gold recovery by coal-oil agglomeration, J SA I MIN, 100(1), 2000, pp. 57-62

Authors: Kotze, W

Citation: W. Kotze, Uniform spaces, HDB FUZ SET, 3, 1999, pp. 553-580