000 00303 am a2200121 a 4500
100 1 _a
_d
245 1 _aBiology of canadian weeds
260 _aCanada
_c1979
300 _a1-380 p.
942 _2udc
_cB
440 _aWeed, Biology Canada Department of Agriculture. Publication No. 1693
901 _aS32589
999 _c113551
_d113551