1. Mineral depletion, with special reference to petroleum;Adelman;The Review of Economics and Statistics,1990
2. Real Options;Amram,1999
3. Blignaut, J., Hassan, R., Lange, G.-M., 2000. Natural resource accounts for minerals: a Southern Africa country comparison. Paper presented to the Second International Conference on Environment and Development, The Royal Swedish Academy of Science, Stockholm, Sweden, 6–8 September, 2000.
4. Project evaluation for sustainable rural development;De Janvry;Journal of Environmental Economics and Management,1995
5. Investment Appraisal and Financial Decisions;Lumby,1999