01219     2200253   4500001002100000005001500021035002000036007000300056008004100059082001900100084002500119245036900144250001100513260004500524300003000569650001600599650001400615700001800629700001800647700001800665520012500683100014500808990001200953INLIS00000000005451120220605012103  a0010-0622000105ta220605                g          0 eng    a6.004.14(1-77)  a6.004.14(1-77) UNI p1 aProceedings of the United nations Conference on the Application of Science and Technology for the Benefit of the Less Developed Areas : Session A.4.2.1 - A.4.3.1 :bRecent advances in coal mining technology ... The construction and operation of small plants using local energy resources in isolated areas /cPresented by R.W. Willett, J.M. Rayner  ... E.W. Golding  aCet. 1  aWashinton, D.C. :bUnited Nations,c1962  airr. p. :bill. ;c28 cm. 4aCOAL MINING 4aBIOENERGY1 aWILLETT, R.W.1 aRAYTNER, J.M.1 aGOLDING, E.W.  aBerisi kumpulan makalah yang disampaikan para kontributor delegasi negara-negara anggota Perserikatan Bangsa-bangsa (UN)  aUNITED NATIONS CONFERENCE ON THE APPLICATION OF SCIENCE AND TECHNOLOGY FOR THE BENEFIT OF THE LESS DEVELOPED AREAS (1962 : Washinton, D.C. )  a1376/65