United Nations. Economic and Social Commission for Asia and the Pacific. Subcommittee on Energy Resources and Electric Power. (1974). Proceedings of the twelfth session of the Sub-committee on energy resources and electric power, held at Bangkok, 6-13 Dec. 1972. United Nations.

United Nations. Economic and Social Commission for Asia and the Pacific. Subcommittee on Energy Resources and Electric Power. Proceedings of the Twelfth Session of the Sub-committee on Energy Resources and Electric Power, Held at Bangkok, 6-13 Dec. 1972. New York: United Nations, 1974.

United Nations. Economic and Social Commission for Asia and the Pacific. Subcommittee on Energy Resources and Electric Power. Proceedings of the Twelfth Session of the Sub-committee on Energy Resources and Electric Power, Held at Bangkok, 6-13 Dec. 1972. United Nations, 1974.