Comapative attractiveness of various small grains to the chinch bug
Benton, Curtis
Comapative attractiveness of various small grains to the chinch bug - Washington 1938 - 1-11 p. - Bug United States Department of Agriculture. Circular No. 508 .
Comapative attractiveness of various small grains to the chinch bug - Washington 1938 - 1-11 p. - Bug United States Department of Agriculture. Circular No. 508 .