00789nam 2200241 450 991068739740332120230504100750.020230504d1983----u y0engy50 baengAT 00 Basic Oil Industry InformationOrganization of the petroleum exporting countriesViennaPublic information department Organization of the petroleum exporting countries198341 p.ill.31 cmIndustria petroliferaOrganization of the petroleum exporting countriesITUNINAREICATUNIMARCBK9910687397403321FT ECO 119FL-1696DECBCDECBCBasic Oil Industry Information3089557UNINA