Apple blister-mite and its control
Childs, L.
Apple blister-mite and its control - Corvallis 1925 - 1-8 p. - Apple Oregon Agricultural Experiment Station. Circular No. 59 .
Apple blister-mite and its control - Corvallis 1925 - 1-8 p. - Apple Oregon Agricultural Experiment Station. Circular No. 59 .