Haku
Viitteet 1-2 / 2
Occurrence and control of alphids causing damage to cereals in FInland in 1959
(Maatalouskoelaitos, 1961)
Bionomics, enemies and population dynamics of javesella pellucida (F.) (Hom., delphacidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)