Plant pathology /
Walker, John Charles.
Plant pathology / John Charles Walker - 2nd ed - New York ; London : McGraw-Hill, 1957. - x, 707 p. : ill., diagrs. ; 24 cm - McGraw-Hill publications in the agricultural sciences .
Includes references and index
Plant diseases
571.92 / WAP 1957
Plant pathology / John Charles Walker - 2nd ed - New York ; London : McGraw-Hill, 1957. - x, 707 p. : ill., diagrs. ; 24 cm - McGraw-Hill publications in the agricultural sciences .
Includes references and index
Plant diseases
571.92 / WAP 1957