Spray mixtures and spray machinery
Beech, S.A., Chark, V.A., Taylor, O.M.
Spray mixtures and spray machinery - Geneva 1903 - 316-373 p. - Spray New York Agricultural Experiment Station. Bulletin No. 243 .
Spray mixtures and spray machinery - Geneva 1903 - 316-373 p. - Spray New York Agricultural Experiment Station. Bulletin No. 243 .