Government responses to oil supply disruptions : hearings before the Committee on Energy and Natural Resources, United States Senate, Ninety-seventh Congress, first session, on S. 409 ... S. 445 ... S. 1354 ... S. 1476 ... S. 1503 ... July 28 and 30, 1981

Assessment of factors affecting the availability of US oil supplies from the Caribbean : report by the US General Accounting Office

(1985)

The Venezuelan-US petroleum relationship : past, present, and future

Schuler, G. H., (1991)

Dependence on foreign oil : hearing before the Subcommittee on Energy and Agricultural Taxation of the Committee on Finance, United States Senate, One Hundred First Congress, second session, July 27, 1990

(1991)