Preliminary report on the clover aphis and methods for its control
Smith, R.H.
Preliminary report on the clover aphis and methods for its control - Moscow 1918 - 1-15 p. - Idaho Agricultural Experiment Station. Bulletin No. 112 .
Preliminary report on the clover aphis and methods for its control - Moscow 1918 - 1-15 p. - Idaho Agricultural Experiment Station. Bulletin No. 112 .