1. 109th Annual Meeting of the American Institute of Mining, Metallurgical and Petroleum Engineers, (AIME), February 24–28, Las Vegas, Nevada, 1980. See also J. Metals 31 (12) (1979) for titles and abstracts.
2. The Metallurgical Society of the Canadian Institute of Mining and Metallurgy (CIM) 9th Hydrometallurgical Meeting “Uranium Processing and the Environment,” November 11–14, Toronto, Canada. See CIM Bulletin 73 (813) (1980) for titles arid abstracts.
3. 4th Annual Uranium Seminar, Corpus Christi, Texas, E&MJ 181 (12) (1980) p. 92–93.
4. The National Institute for Metallurgy “The Chemistry of Processes for the Recovery of Gold on Activated Carbon,” J. So. Afric. Inst. Min. Met. 80 (1980) p. 100–101.
5. Electrochemistry Division, Royal Australian Chemical Institute, Fifth Australian Electrochemistry Conference, Perth, Australia, August 18–22 (1980), sponsored by the Australian Academy of Science.