00870cas a2200229 a 45000010008000000030008000080050017000160080037000330350012000700400027000820820016001091100019001252450094001442600039002383000021002773620010002985500060003085800109003686500025004777100041005027800097005431835483BD-DhUL20170410155632.0000207c1960nyuuu s i0 0eng d a1835483 aABScABSdANLdBD-DhUL 0a311.22bUNS 0aUnited Nations00aA short manual on sampling :cUnited NationsbVol. I, Elements of sample survey theory / aNew York :bUnited Nations,c1960. a214 p. :c29 cm.0 a1982- aIssued by the Statistical Office of the United Nations. aContinues: Energy balances ... and electricity profiles ... for selected developing countries and areas. 0aComputer Programmes 2 aUnited Nations.bStatistical Papers.10tEnergy balances ... and electricity profiles ... for selected developing countries and areas