Authors:
SWART SJ
PULLES W
BOER RH
KIRKALDY J
PETTIT C
Citation: Sj. Swart et al., ENVIRONMENTAL RISK ASSESSMENT AS THE BASIS FOR MINE CLOSURE AT ISCOR MINING, Journal of the South African Institute of Mining and Metallurgy, 98(1), 1998, pp. 1-6
Citation: Gm. Whiteley et C. Pettit, EFFECT OF LIGNITE HUMIC-ACID TREATMENT ON THE RATE OF DECOMPOSITION OF WHEAT-STRAW, Biology and fertility of soils, 17(1), 1994, pp. 18-20