1. Development of an automatic flotation cell for the laboratory;Dell;Trans. I.M.M.,1972
2. A modified laboratory flotation cell;Harris;Trans. A.I.M.E.,1966
3. An Introduction to the Theory of Flotation;Klassen,1963
4. Mineral and Coal Flotation Circuits;Lynch,1981
5. Evaluation of collector addition in the flotation of various U.S. coals;Miller;Report of Investigations, U.S. Dept. of Energy, PMTC-7(80),1980