1[7]M.C.Jha,M.J.Kramer. "Recovery process at gold from arsenical ores " .Precious Metals Mining ,Extraction and Processing .ed.V. Kudryk,D.A.Corrigan,W.W. LiangTMS- AIME,Warrendale,Pa 1984,pp.337-365.
2[8]R.F. Dewhirst,S.P. Moult,J.A.Goetzee:J of South African Inst.of Min.and Metallurgy, Vol.84(1984),pp. 159-163.
3[9]H.Schweigart,W.R.Liebenberg: "Mineralogy ad chemical behiaviour of some refractory gold ores from the Barbeton Mountain land" .NIM Report,No.8(April1986).
4[10]M.C.Jha: "Refractoriness of certain gold ores to cyanidation:probable causes and possible solutions" .Mineral Processing and Extractive Metallurgy Review,Vol.2(1987),pp.331-352.
