00444    a2200121   4500020001500000082001500015245012200030260002600152300001800178440004200196650004300238650004100281  a9251030243  a631.3bAGR  aAgricultural engineering in developmentbguidelines for machanization systems and machinery rehabilitation programmes  aRomebFAOc1990g1990  aiv,63p.c30cm  aFAO agricultural services bulletin 85  aTools, machinery, apparatus, equipment  aAgriculture and related technologies