000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a632.58 MER
100 _aMercado, Beatriz L
245 _aIntroduction to weed science
260 _bSoutheast Asian Regional Center for Graduate Study and Resea
_aLaguna
_c1979
999 _c152808
_d152808