Handbook of agricultural chemicals
Hanna, L.W.
Handbook of agricultural chemicals by L.W. Hanna - 2nd edn. - Oregon 1958 - 494 p.
Insecticides
Agricultural Chemicals
632.951 / H 243 H
Handbook of agricultural chemicals by L.W. Hanna - 2nd edn. - Oregon 1958 - 494 p.
Insecticides
Agricultural Chemicals
632.951 / H 243 H