1. Camisani-Calzolari, F.A., 2002, Mining company reporting standards – the South African experience:CMMI Congress, Cairns, Qld., Australian Institute of Mining and Metallurgy Publication 3/2002, 53–56.
2. Claassen, D.M., 1995,Electromagnetic characterization of a wideband borehole radar imaging system: D.Phil. Thesis (unpublished), Oxford University.
3. Hargreaves, J.E., 1995,A multichannel borehole radar for three dimensional imaging: D.Phil. Thesis (unpublished), Oxford University.
4. Kirkley, M.B., 1998, The origin of diamonds: Earth Processes: in Harlow, G. (ed.),The nature of diamonds: Cambridge University Press, 48–65.
5. Mitchell, R.H., 1986, Kimberlites: mineralogy, geochemistry, and petrology:Plenum Press, 442p.