1. Barbosa-Filho, O., 1991. Thiocyanate Leaching of Gold. Ph.D. Thesis, Imperial College, University of London.
2. Thermochemistry of thiocyanate systems for leaching gold and silver ores;Barbosa-Filho,1988
3. Leaching of gold in thiocyanate solutions—part 1: chemistry and thermodynamics;Barbosa-Filho;Trans. Inst. Min. Metall., Sect. C,1994
4. Leaching of gold in thiocyanate solutions—part 2: redox processes in iron (III)–thiocyanate solutions;Barbosa-Filho;Trans. Inst. Min. Metall., Sect. C,1994
5. Leaching of gold in thiocyanate solutions—part 3: rates and mechanism of gold dissolution;Barbosa-Filho;Trans. Inst. Min. Metall., Sect. C,1994