1. Aalund LR (1988) EOR projects decline, but CO2 pushes up production. Oil Gas J April 18: 33–37
2. Anonymous (1988) Energy focus-average oil well production rates J Pet Technol Feb: 168
3. Anonymous (1988) Reserves up worldwide and outside OPEC. Oil Gas J Dec. 26: 43–47
4. Various authors (1987) The economic complexity of enhanced recovery. Round Table Discussion, Proc 12th World Pet Cong vol 3. Graham & Trotman, London, pp 337–385
5. Bailey RE, Curtis LB (1984) Enhanced oil recovery. National Petroleum Council, Washington, DC