1. The Transvaal sequence in Griqualand west;Beukes,1986
2. The geology and genesis of high-grade hematite iron ore deposits;Beukes,2002
3. High-grade optimisation and improved grade control practices in Mount Tom Price;Bitencourt,2002
4. Outputs of China major iron ore mines in Jan–Dec 2004;Bofei,2005
5. Metal wear in crushing and grinding;Bond,1963