Proceedings of the Fourth Symposium on the Development of Petroleum Resources of Asia and the Far East. . Report of the symposium ; documents on review of progress in the petroleum industry, and petroleum geology. 1972. - United Nations (New York : United Nations, 1972)
"ST/SG/AC.10/11/Rev.1."
"United Nations publication, sales no.: E.90.VIII.1"--T.p. verso.
Keywords: Petroleum Resources