1. The World Petroleum Market;Adelman,1972
2. OPEC as a cartel;Adelman,1982
3. OPEC and the monopoly price of world oil;Cremer;European Economic Review,1976
4. A note on OPEC market power and oil prices;Greene;Energy Economics,1991
5. Tests of alternative models of OPEC behaviour;Griffin;American Economic Review,1985