Symposium on the Development of Petroleum Resources of Asia and the Far East(4th :1969 :Canberra, Australia); United Nations.Economic Commission for Asia and the Far East.. (1972-1973). Proceedings of the fourth Symposium on the Development of Petroleum Resources of Asia and the Far East.. New York :: United Nations,.
Symposium on the Development of Petroleum Resources of Asia and the Far East(4th :1969 :Canberra, Australia); United Nations.Economic Commission for Asia and the Far East.. Proceedings of the fourth Symposium on the Development of Petroleum Resources of Asia and the Far East.. New York :: United Nations,, 1972-1973
Symposium on the Development of Petroleum Resources of Asia and the Far East(4th :1969 :Canberra, Australia); United Nations.Economic Commission for Asia and the Far East.. Proceedings of the fourth Symposium on the Development of Petroleum Resources of Asia and the Far East.. New York :: United Nations,, 1972-1973.