European corn borer and its controlling factors in Europe
Thompson, W.R., Parker, H.L.
European corn borer and its controlling factors in Europe - Washington 1928 - 1-63 p. - Corn, Borer, Factors United States Department of Agriculture. Technical Bulletin No. 59 .
European corn borer and its controlling factors in Europe - Washington 1928 - 1-63 p. - Corn, Borer, Factors United States Department of Agriculture. Technical Bulletin No. 59 .