1. P. Somasundaran, Int. J. Minerai Process., 3, 35 (1976).
2. See for example A.M. Gaudin and D.W. Fuerstenau, Mining Eng., 7, (Trans. A.I.M.E. 202), 958 (1955)
3. A.M. Gaudin, “Flotation”, McGraw Hill, N.Y. (1957).
4. J. Rogers and K.L. Sutherland, Trans. A.I.M.E. 169, 317 (1946)
5. H.J. Modi and D.W. Fuerstenau, Trans. A.I.M.E. 217, 381 (1960).