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2. Compositions, Structures, and Thermal Behaviour of Nickel Containing Minerals in the Lizardite-Nepouite Series;Brindley;The American Mineralogist,1975
3. Mineralogical Aspects of the Extractive Metallurgy of Nickeliferous Laterites;Canterford;The Aus.I.M.M. Conference,1978
4. Bioleaching of Zinc and Nickel from Silicates using Aspergillus Niger Cultures;Castro;Hydrometallurgy,2000