1. Cobalt '80, The Proceedings of the 10th Annual Hydrometallurgical Meeting of the CIM Metallurgical Society, Edmonton, Alberta, Canada, October 1980.
2. Liquid—Solid Separation. The Proceedings of the 11th Annual Hydrometallurgical Meeting of the CIM Metallurgical Society, Niagara Falls, Ontario, Canada, October 1981.
3. Uranium '82. The Proceedings of the 12th Annual Hydrometallurgical Meeting of the CIM Metallurgical Society, Toronto, Ontario, Canada, August 1982.
4. Zinc '83. The Proceedings of the 13th Annual Hydrometallurgical Meeting of the CIM Metallurgical Society, Edmonton, Alberta, Canada, and Trail, British Columbia, Canada, August 1983.
5. International Symposium on Hydrometallurgy (edited by D. J. I. Evans and R. S. Shoemaker). AIME, Chicago (1973).