000 00283 am a2200121 a 4500
100 1 _aArnold, H.C.
245 1 _aPyrethrum
260 _aSalisbury
_c1939
300 _a1-7 p.
942 _2udc
_cB
440 _aRhodesia Department of Agriculture. Bulletin No. 1129
901 _aS52901
999 _c110790
_d110790