000 00346nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aEsau, R.
245 _aChemical weed control in shelterbelts
260 _aOttawa
260 _c1978
300 _a0.5
440 _aNo. 1511R; Canada Department o
901 _pS30816
942 _cB
_2udc
999 _c117852
_d117852