00447nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100001700076245008800093260004600181300000900227440004100236650001200277Para_4416CHAP220125s1919    xx            000 0 und d  a202843  cCHAP  aAbbott, W. S  aA study of the effect of storage, heat, and moisture on Pyrethrum  /c W. S. Abbott  aWashington  :b Department of Agriculture  a7 p.  aEUA. Dept. of Agriculture, Bull; 771  aPiretro