1. G. A. Kordosky, “Copper Recovery Using Leach/solvent Extraction/electrowirming Technology: Forty Years of Innovation, 2.2 Million Tonnes of Copper Annually”, International Solvent Extraction Conference, Cape Town, South Africa, Mar. 17-21, 2002, 853-862.
2. J. Szymanowksi, Hydroxyoximes and Copper Hydrometallurgy, CRC Press, London, 1993
3. K. Cramer et al. “Using Avecia's Minchem Copper Solvent Extraction Process Modelling Program for Education”, EPD Congress 2002 and Fundamentals of Advanced Materials for Energy Conversion, Proceedings of Sessions and Symposia held during the TMS Annual Meeting, Feb. 17-21, 2002, Seattle, WA, United States, pp. 715–721.
4. PHVSICOCHEMICAL MODIFICATION OF COPPER EXTRACTANTS. A REVIEW.