000 00342 a2200145 4500
041 _aEn
080 _b631
082 _aAT123
100 _aWijekoon R. D. R.
245 _aDesingn and development of lowland power weedeer
260 _c2008
_g2008
300 _bill,pho
_c30 cm.
_avi,39 p
650 _aAGRICULTURE ENGINEERING
942 _cT
999 _c10399
_d11839