Insect control by chemicals
Brown, A.W.A.
Insect control by chemicals by A.W.A. Brown - New York 1951 - 817 p.
Herbicides
632.954 / B 878 I
Insect control by chemicals by A.W.A. Brown - New York 1951 - 817 p.
Herbicides
632.954 / B 878 I