1. Gold and silver extraction by ammoniacal thiosulphate leaching from a rhyolite ore;Zipperman;Hydrometallurgy,1988
2. T. Jiang, J. Chen, S. Xu, Electrochemistry and mechanism of leaching gold with ammoniacal thiosulphate, gold processing, hydrometallurgy and dewatering, AIMM Pub. No. 3/93, Vol. 5, 1993, pp. 1141–1146.
3. B.J. Kerley, US Patent 4,269,622, 1981.
4. Chemical Study of thiosulphate leaching of silver sulphide;Flett;Trans. Inst. Min. Metall. (Sect. C Mineral Process. Extr. Metall.),1983
5. M. Hemmati, J.L. Hendrit, J.H. Nelson, E.B. Milosavljevic, Study of the thiosulphate leaching of gold from carbonaceous ore and the quantitative determination of thiosulphate in the leached solution, Extraction Metallurgy '89 Symp., Inst. Min. Metall., London, 1989.