1. Bureau of Resources and Energy Economics (BREE). Energy in Australia 2012. [accessed 24/22014].
2. S. Rimos, A.F.A. Hoadley, D.J. Brennan. Environmental consequence analysis for resource depletion. Process Safety and Environmental Protection, (in press) corrected proof.
3. Oanda Corporation - Currency information, tools, and resources for investors, businesses, and travelers. [accessed 24/2/2014].
4. D.J. Brennan. Process industry economics: an international perspective. Institution of Chemical Engineers, Warwickshire CV21 3HQ, UK, 1998.
5. M.S. Peters, K.D. Timerhaus, R.E. West. 5th ed., Plant design and economics for chemical engineers, 2003.