000 00469nam a2200169Ia 4500
008 130223s9999 xx 000 0 und d
080 _a632.954
100 _aRichardson, W.G.
245 _aActivity and pre-emergence selectivity of some recently developed herbicides: ch
260 _aOxford
260 _bAgricultural Research Council
260 _c1982
300 _a44 p.
440 _aNo. 64; Weed research organiza
901 _pS34956
942 _cB
_2udc
999 _c151844
_d151844