01136nam a2200253 a 450000100060000000300080000600500170001400800410003103500190007204000370009104100080012808200250013611100800016124502020024124600400044326000480048330000380053149000510056950000560062050400410067665000450071771000680076283000520083045828BD-RjUL20211209054055.0160728s1960    th ab    b   i100 0 eng d  a(BD-RjUL)45946  aCOMcCOMdOCLdMYGdBD-RjULbeng  aeng  223a333.91bPRO 19602 aSeminar on Aerial Survey Methods and Equipmentd(1960 :cBangkok, Thailand)10aProceedings of the United Nations seminar on aerial survey methods and equipment :b(Held at Bangkok, 4 January to 5 February 1960) /cUnited Nations. Economic Commission for Asia and the Far East.3 aAerial survey methods and equipment  aBangkok, Thailand :bThe Commission,c1960.  avarious pagings :bill. ;c28 cm.1 aMineral resources development series ;vno. 12  a"United Nations publications. Sales no.: 60.II.F.5"  aIncludes bibliographical references.  aWater resources development z Esat Asia2 aUnited Nations.bEconomic Commission for Asia and the Far East. 0aMineral resources development series ;vno. 12.