1. Alford C, Hall B (2009) Stope optimisation tools for selection of optimum cut-off grade in underground mine design. In: Proceedings project evaluation conference, The Australasian Institute of Mining and Metallurgy, Melbourne, pp 137–144, 21–22 April 2009
2. Bejgarn T (2009) New styles of intrusive related copper-gold deposits in northern Sweden. Licentiate Thesis, Lulea University of Technology, Lulea
3. Bootsma MT (2013) Cut-off grade based sublevel stope mine optimization. M.Sc. Thesis. Available at:
repository.tudelft.nl
. Delft University of Technology, Delft
4. David M (1977) Geostatistical ore reserve estimation. Elsevier, Amsterdam, 364p
5. David M (1988) Handbook of applied advanced geostatistical ore reserve estimation. Elsevier, Amsterdam, 216p