1. Zinc Adsorption and Diffusion in Goethite;Bar-Yosef;Journal of Soil Science,1975
2. Leaching of Lateritic Nickel Ores with Heterotrophic Microorganisms;Bosecker,1985
3. Extractive Metallurgy of Copper Nickel and Cobalt Symposium;Carlson,1961
4. Ammonia Leaching of Nickel and Cobalt Ore;Caron;AIME Transactions,1950
5. Mineralogical Aspects of the Extractive Metallurgy of Nickeliferous Laterites;Canterford,1978