1. Brennan , M.J. E.S. Schwartz Evaluating Natural Resource Investments Working Paper, University of British Columbia, Vancouver, 1983
2. Budd , N. The Future of Commodity Indexed Financing Harvard Business Review (July-Aug 1983)
3. The Valuation of Options for Alternative Stochastic Processes;Cox;Journal of Financial Economics,1976
4. Echo-Bay Mines Ltd Common Share Prospectus Woody Gundy Ltd., 28 March 1983