Haku
Viitteet 1-2 / 2
The effect of the English grain aphid macrosiphum avenae (F.) (Hom., Aphididae) on the yield and quality of wheat
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Studies on the host plant relationships of Aphis idaei v.d. Goot and Amphorophora rubi (Kalt.) (Hom. Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)