00429    a2200121   4500020001500000082001700015245006600032260005600098300002000154440004300174650004300217650004700260  a9251032874  a631.371bAGR  aAgricultural engineering in development bagricultural tyres   aRomebFood And Agriculture Organizationc1993g1993  a[iv],69p.c30cm  aFao agricultural services bulletin 104  aTools, machinery, apparatus, equipment  aSpecific techniques; equipment, materials