000 00451nam a2200169Ia 4500
008 170101s1981 xx 000 0 und d
082 _aPR 631.31 M70E
100 _aMohd. Najib Hammad
245 0 _aEffect of speed on specific draft of tillage implement.
250 _aPAU
260 _aLudhiana
_bPAU
_c1981
300 _a29cm,56
650 _aAGRICULTURAL MACHINERY
653 _aAGRICULTURAL MACHINERY
653 _aTILLAGE
942 _2ddc
_cT
999 _c65425
_d65425