TY - BOOK AU - Intenational conference on the development of petrochemical industries in developing countries (Teheran) ED - Intenational conference on the development of petrochemical industries in developing countries (Teheran) TI - Studies in petrochemicals T2 - United Nations publication U1 - X9F555p1(Y1:4):N64, K6.1-.2 PY - 1966/// CY - NA PB - NA KW - ECONOMICS ER -