000 00413 a2200145 4500
080 _a631.31(084)
_bB711P
245 1 _aPlow shares for stony soils
_cby S.G. Bondarev
260 _aSpringfield
_bNational Technical Information Service
_c1974
650 _aPlow Shares
650 _aStony Soils
100 1 _aBondarev, S.G.
300 _a3 p.
040 _aIARI, New Delhi
901 _a146705
999 _c80139
_d80139