000 00286nam a22000977a 4500
008 130404b xxu||||| |||| 00| 0 eng d
050 _aSB611.B63 1977
245 _aWEED CONTROL HANDBOOK VOLUME1
_bPRINCIPLES INCLUDING PLANT GROWTH REGULATORS
_cJ.D. FRYER
300 _a510
942 _2lcc
_cBK
999 _c1346
_d1346