Apple insects in the hudson valley and the lake champlain fruit districts
Chapman, P.J., Hammer, O.H.
Apple insects in the hudson valley and the lake champlain fruit districts - Geneva 1932 - 1-32 p. - Apple, Insect, Fruit New York Agricultureal Experiment Station. Bulletin No. 606 .
Apple insects in the hudson valley and the lake champlain fruit districts - Geneva 1932 - 1-32 p. - Apple, Insect, Fruit New York Agricultureal Experiment Station. Bulletin No. 606 .