000 00333nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aChemical weed control in flower crops
260 _aLondon
260 _c1960
300 _a1-6 p.
440 _aGreat Britain Ministry of Agriculturalri
901 _pS1967
942 _cB
_2udc
999 _c117847
_d117847