000 00329nam a2200145Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
020 _a925101146x
041 _aen
082 _a632.58
100 _aFAO
245 0 _aWeeds in tropical crops: selected abstracts
260 _aRome
_bFAO
_c1981
300 _a85p.
942 _cSR
999 _c83839
_d83839