Report of the First United Nations Interregional Conference on the Development of Petrochemical Industries in Developing Countries, Teheran, Iran, 16-30 November 1964 / United Nations Interregional Conference on the Development of Petrochemical Industries in Developing Countries (1st : 1964 : Tehran, Iran) Petroleum chemicals industry Developing countries Congresses. HD9579.C33 D448 1964 338.2 19 1964. "ST/TAO/SER.C/83"--Verso t.p. "United Nations publications. Sales no.: 66.II.B.14"--Verso t.p. Includes bibliographical references. New York : United Nations, 1966. 1966. 1964 Text iv, 152 p. ; eng Developing countries