00468nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100001600076245006300092260005500155300001500210440004200225650004300267Para_5045CHAP220125s1920    xx            000 0 und d  a203344  cCHAP  aParks, T. H  aWheat - sowing dates to avoid hessian fly  /c T. H. Parks  aWooster, Ohio  :b Agricultural Experiment Station  ap. 243-255  aOhio. Agr. Exp. Sta. Montahly Bull; 9  aPhytophaga destructor  Trigo x Plagas