Insecticides and ovicides
THOMSON, W.T
Insecticides and ovicides - Fresno 1979 - 234p - Agricultural chemicals, book 1 .
AGRICULTURAL CHEMICALS
AGRICULTURAL CHEMICALS INSECTICIDES
632.951 T40 I
Insecticides and ovicides - Fresno 1979 - 234p - Agricultural chemicals, book 1 .
AGRICULTURAL CHEMICALS
AGRICULTURAL CHEMICALS INSECTICIDES
632.951 T40 I