Haku
Viitteet 1-2 / 2
Resistance of plants to the pea aphid Acyrthosiphon pisum Harris (Hom., Aphididae) : II. Fecundity on different red clover varieties
(Agricultural Research centreMaatalouden tutkimuskeskus, 1970)
Resistance of insects and mites to pesticides in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)