Haku
Viitteet 1-3 / 3
The testing and use of pesticides in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1962)
The effect of pyrethrum preparations on certain common horticultural pests
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)
Studies on the biology of the cabbage root fly (Hylemya brassicae Bouché) and the turnip root fly (Hylemya floralis Fall.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)