000 00404nam a2200145Ia 4500
008 170101s1981 xx 000 0 und d
082 _a631.31 R89
100 _aVATSUK, E. P
245 0 _aRotary soil working machines : construction, calculation and design
260 _bNew Delhi
_c1981
300 _a256p
650 _aAGRICULTURAL IMPLEMENTS
653 _aAGRICULTURAL IMPLEMENTS
942 _2ddc
_cB
999 _c95257
_d95257