References
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- Dawson, J.C. The Mining Industry of British Columbia and the Yukon. 3rd ed. (revised) Vancouver, B.C. The British Columbia Hydro and Power Authority. Jan., 1968. p.26.
- Glembotskii, V.A., V.I. Klassen, and I.N. Plaksin. Flotation. Transl. by R.E. Hammond, New York, Primary Sources, 1962.p. 526.
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