00511     2200193   4500001002100000005001500021035002000036007000300056008004100059082001000100084001600110245006200126250001100188260003800199300001900237650001100256110001900267990003100286INLIS00000000000039120221023101145  a0010-1022000132ta221023                           0 eng    a631.8  a631.8 UNI u1 aUpdated guidebook on biogas development /cUnited Nations  aCet. I  aNew York :bUnited Nations,c1984  a196p. :bilus. 4aBiogas2 aUnited Nations  a00106/102022/H/EB/BBPPBATU