000 00417 am a2200121 a 4500
100 1 _aHighland, H.A.
245 1 _aBarriers in synergizepyrethrins-treated paper bags ton prevent migration of piperonyl butoxide into cornmeal, flour, and CSM
260 _aWashington
_c1973
300 _a1-14 p.
942 _2udc
_cB
440 _aUnited States Department of Agriculture. Technical Bulletin No. 1475
901 _aS28220
999 _c107265
_d107265