Haku
Viitteet 1-2 / 2
Phytotoxaemia caused by Trioza apicalis Först. (Hom., Triozidae) on carrot
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
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)