1. Ammonia leaching of ocean nodules using various reductants;Acharya;Erzmetall,1989
2. Asselin, E., 2008. Thermochemical aspects of the Fe, Co, Ni–NH3–H2O systems relevant to the Caron process. In: Hydrometallurgy 2008 (Proceedings 6th International Symposium on Hydrometallurgy, Phoenix, Arizona), C. Young, P. Taylor, C. Anderson and Y. Choi (Editors), TMS, Warrendale, Pa., pp. 522–531.
3. Precipitation of iron oxides from ammonia-ammonium sulphate solutions;Das;Hydrometallurgy,1995
4. Sorption of cobalt(II) by amorphous ferric hydroxide;Esmadi;Colloids and Surfaces A: Physicochemical and Engineering Aspects,1995
5. Characterization of limonitic laterite and solids during sulfuric acid pressure leaching using transmission electron microscopy;Georgiou;Minerals Engineering,2004