Disease in plants
Stevens, N.E., Stevens, R.B.
Disease in plants An introduction to agricultural phytopathology by N.E. Stevens and R.B. Stevens - Waltham Chronica Botanica Co. 1952 - 219 p.
Plant Diseases
632 / S 845 D
Disease in plants An introduction to agricultural phytopathology by N.E. Stevens and R.B. Stevens - Waltham Chronica Botanica Co. 1952 - 219 p.
Plant Diseases
632 / S 845 D