Elements of plant pathology
Melhus, I.E., Kent, G.C.
Elements of plant pathology by I.E. Melhus and G.C. Kent - New York Macmillan Company 1939 - 493 p. & 259 fig.
Plant Pathology
632 / M 521 E
Elements of plant pathology by I.E. Melhus and G.C. Kent - New York Macmillan Company 1939 - 493 p. & 259 fig.
Plant Pathology
632 / M 521 E