000 00311nam a2200133Ia 4500
008 210101s1984 xx 000 0 eng d
082 _a632.58 G 93 S
100 _aGupta, O.P..
245 0 _aScientific weed management
260 _aNew Delhi
_bTTPP
_c1984
300 _a474
650 _aWeed
942 _2ddc
_cBK
999 _c5130
_d5130