000 00318nam a2200097Ia 4500
008 140205s9999 xx 000 0 und d
245 _aAloelopathy: The harmful effects of chemicals produced by one plant upon another
260 _bUnited States department of Agriculture
_aMaryland
_c1983
300 _a29
942 _2ddc
_cTR
999 _c5086
_d5086