00597nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001800076245011000094260004600204300001900250440004600269650009400315700001800409Para_4312CHAP220125s1917    xx            000 0 und d  a202600  cCHAP  aSasscer, E. R  aFumigation of ornamental greenhouse plants with hydrocyanic-acid gas  /c E. R. Sasscer, and A. D. Borden  aWashington  :b Department of Agriculture  a20 p. : cuads.  aEUA. Department of Agriculture Bull.; 513  aPlantas ornamentales x Fumigación  Gases x Efecto en plantas  Hydrocyanic x acid gas  aBorden, A. D.