000 00300 am a2200121 a 4500
100 1 _a
_d
245 1 _aCarrot fly
260 _aLondon
_c1950
300 _a1-6 p.
942 _2udc
_cB
440 _aGreat Britain Ministry of Agriculture, Fisheries and Food. Advisory Leaflet No. 68
901 _aS55371
999 _c113696
_d113696