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Rankin, Daniel J. (1901). Prospecting for Gold; a Handbook of Practical information and Hints for Prospectors Based on Personal Experience. London:. Crosby Lockwood.
Gray, P.M.J. and Bowyer, G.J. et al (eds) (1990). Sulphide deposits―their origin and processing. London: Institution of Mining and Metallurgy, 310pp. 1st. Institute of Mining and Metallurgy.