1. Coping with interruptions;Alm,1981
2. Western vulnerability to a disruption of Persian Gulf oil supplies: US interests and options;Congressional Research Service;Report 83-24F,1983
3. Economic Survey of France;OECD,1980
4. Les Chiffres Cles de l'Energie 1983–1984,1983
5. Les Chiffres Cles de l'Energie 1983–1984,1983