1. AFNOR, 1990. Granulats: Essai d’abrasivité et de broyabilité. NF P18–579, AFNOR Association française de normalization, Paris, France.
2. ASTM, 2010. Standard test method for laboratory determination of abrasiveness of rock using the CERCHAR Method, D7625–10, ASTM International.
3. Prediction of Cutter Wear using RME;Bieniawski,2009
4. Hard Rock Tunnel Boring;Bruland,1998
5. The Cerchar Abrasiveness Index;Cerchar,1986