1. Development of the MINPRO-PAMCO nickel segregation process;Ericson;J. Met.,1984
2. Segregation roasting of nickel oxide ore;Ishii,1980
3. Extraction of nickel from laterites and oxidized nickel ores by a segregation process;Iwasaki;Trans. AIME,1966
4. Method of Carrying out Endothermic Metallurgical Reduction Processes with the Aid of a Continuously Operating Mechanical Kiln;Svensson,1975