000 00332nam a2200121Ia 4500
001 MPKV062322
008 120911s9999 xx 000 0 und d
082 _a632.5
245 _aWeed Research Vol 25 No.1-6
_c;
246 _aWeed Research Vol 25 No.1-6
260 _aEngland
_bBlackwell Scientific Publ.
_c1985
650 _aWeed Science
999 _c60308
_d60308