Observations on the european corn borer and its major parasites in the orient
Cartwright, W.B.
Observations on the european corn borer and its major parasites in the orient - Washington 1933 - 1-13 p. - Corn United Sates Department of Agriculture. Circular No. 289 .
Observations on the european corn borer and its major parasites in the orient - Washington 1933 - 1-13 p. - Corn United Sates Department of Agriculture. Circular No. 289 .