000 00278 a2200121 4500
080 _a632.9:632.51(063)
_bA 71 P
245 1 _aProceedings
260 _aOklahoma
_bNorth Central Weed Control
_c1951
650 _aWeed Control
100 _a
_d
300 _a126 p.
901 _a161839
999 _c83706
_d83706