000 00310nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a632.58
100 _aAldrdich ,R. J.
245 _aWeed- crop ecology : principles in weed management
260 _bBreton Publication
_aNorth Scituate, Massachusetts
_c1984
999 _c132314
_d132314