Plant disease control
Sharvelle, Eric G.
Plant disease control by Eric G. Sharvelle - Westport AVI Publishing Co. 1979 - 331 p.
Plant Disease Control
632 / S 532 P
Plant disease control by Eric G. Sharvelle - Westport AVI Publishing Co. 1979 - 331 p.
Plant Disease Control
632 / S 532 P