1. V. I. Klassen and V. A. Mokrousov, An Introduction to the Theory of Flotation, 1963, London, Butterworths, pp. 251-254, 329-335.
2. M. C. Fuerstenau and J. J. Fitzgerald, “Dispersion With Silicate Hydrosol in Fine Particle Flotation”, Advances in Coal and Mineral Processing Using Flotation, 1989, S. Chander and R. Klimpel, eds., SME, pp. 194–205.
3. Selective flotation of apatite from iron oxides