@inproceedings{a8d1ed5a1e2e4f15a90207fd29ce4bd6,
title = "Optimising a combined open pit and underground strategic plan",
author = "B. Roberts and Tarrant Elkington and {Van Olden}, K. and M. Maulen",
year = "2009",
language = "English",
volume = "1",
pages = "85--91",
editor = "K. Pocock and O. Fong and K. McShane",
booktitle = "Proceedings of the Project Evaluation Conference 2009",
publisher = "Australasian Institute of Mining and Metallurgy",
address = "Australia",
edition = "Melbourne, Victoria",
note = "Optimising a combined open pit and underground strategic plan ; Conference date: 01-01-2009",
}