1. Anon (1998) Benchmarking the productivity of Australia’s black coal industry. Tasman Asia Pacific Pty Ltd, Australia
2. Australian Bureau of Statistics (ABS) (2006) Price index of materials used in coal mining Australia, publication no. 6427.0. http://www.abs.gov.au . Accessed 28 September 2006
3. Australian Coal Association (2006) http://www.australiancoal.com.au . Accessed 4 August 2006
4. Bayer A, Nienhaus K (2000) Capacity model for room and pillar operations with continuous miners. University of Technology, Aachen
5. Bieniawski ZT (1983) New design approach for room-and-pillar coal mines in the USA. In: Proceedings of 5th congress of the international society for rock mechanics, Melbourne