1. Industrial Minerals and Rocks;Ober,1994
2. H.S. Hanna, P. Somasundaran, in: M.C. Fuerstenau (Ed.), Flotation, A.M. Gaudin Memorial Volume, Vol. 1, AIME, New York, 1976, p. 197.
3. Colloid Chemistry in Mineral Processing;Laskowski,1992
4. M.C. Fuerstenau, Advances in Interfacial Phenomena of Particulate/Solution/Gas Systems; Applications to Flotation Research, AIChE Symposium Series, Vol. 71, 1975, p. 16.