Bennett, C.R., Cross, M., Croft, T.N., Uhrie, J., Green, C. and Gebhardt, J. (2003) A comprehensive copper stockpile leach model: background and model formulation. In: Hydrometallurgy 2003. Proceedings of the Fifth International Conference. Honoring Professor Ian M. Ritchie. TMS (The Minerals, Metals & Materials Society), Pennsylvania, USA, pp. 315-328. ISBN 0873395549