1. Ritcey, G. M., Slater, M. J. Lucas, B. H., 1973, AIME Int. Symp. on Hydrometallurgy, Chicago, Paper 17.
2. Stevenson, D. G., Proceedings, Conference on Ion Exchange in the Process Industries 1969, pp. 114-120 (publ. 1970 by Society of Chemical Industry, London, England).
3. Continuous ion exchange in fluidized beds
4. Some fundamental aspects of the behaviour of ion exchange equipment