00515nam a2200121Ia 4500008004100000040001700041082002600058110001900084245020200103260003100305300001900336650003800355190329s9999||||xx |||||||||||||| ||und|| aNITILcNITIL 221sta338.27282bU58S aUnited Nations 0aStudies in petrochemicals presented at the United Nations interregional conference on the development of petrochemical industries in developing countries (Vol.II), Teheran, Iran 16-30 November 1964 aNew YorkbThe Authorc1966 avii, 569-1078p aPRODUCTION; EXTRACTIVE INDUSTRIES