The field testing of copper-spray coatings /
Winston, J. R.
The field testing of copper-spray coatings / by J. R. Winston, and H. R. Fulton - Washington : Department of Agriculture - 9 p. - EUA. Dep. of Agri. Bull.; 785 .
203254
Aspersión Cobre en suelos
The field testing of copper-spray coatings / by J. R. Winston, and H. R. Fulton - Washington : Department of Agriculture - 9 p. - EUA. Dep. of Agri. Bull.; 785 .
203254
Aspersión Cobre en suelos