Evaluation of fumigants for control of insects attacking wheat and corn in steek
Schewitzgebel, R.B., Walkden, H.H.
Evaluation of fumigants for control of insects attacking wheat and corn in steek - Washington 1951 - 1-20 p. - United States Department of A .
Evaluation of fumigants for control of insects attacking wheat and corn in steek - Washington 1951 - 1-20 p. - United States Department of A .