1. W. P.C. Duyvesteyn, G.R. Wicker, and R. E. Doane: “An Omnivorous Process for Latente Deposits,”International Latente Symposium, New Orleans, LA, 1979.
2. E.T. Carlson and C.S. Simons:Extractive Metallurgy of Copper,Nickel, and Cobalt, Interscience Publishers, 1961, p. 363.
3. H. Kay and E. J. Michal: “The AMAX Acid Leach Process for Oxide Nickel Ores,”TMS-A1ME A78-36, 1978.
4. S.O. Fekete and G. R. Wicker: “Energy Conservation in Acid Leaching of Lateritic Ores,” 106th Annual AIME, March 6, 1977.
5. C. J. Messa, G. R. Wicker, and S. O. Fekete: “Economic Analysis of Nickel and Cobalt Recovery from Laterite Deposits Using the AMAX Acid Leach Process,” 107th Annual AIME, Denver, CO, 1978.