000 00325nam a2200121Ia 4500
001 MPKV112230
008 120911s9999 xx 000 0 und d
082 _a632.5
245 _aWeed Science Vol 37 No-1-6
_c;
246 _aWeed Science Vol 14
260 _aUSA
_bWeed Science Society of American
_c1989
650 _aWeed Science
999 _c75514
_d75514