Plum scale in Western New York
Slingerland, M.V.
Plum scale in Western New York - Ithaca 1894 - 677-699 p. - Plum Cornell Agricultural Experiment Station. Bulletin No. 83 .
Plum scale in Western New York - Ithaca 1894 - 677-699 p. - Plum Cornell Agricultural Experiment Station. Bulletin No. 83 .