Haku
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Pests of cultivated plants in Finland in 1968
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)
Dicranotropis hamata (Boh.) (Hom., Araeopidae) as a vector of cereal viruses in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
The effect of virus diseases transmitted by the leafhopper Javesella pellucida (F.) on the concentration of free amino acids in oats and on the reproduction of aphids
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
The composition of the thrips species in cereal in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Comparison of leafhopper faunae in cereals
(Agricultural Research Centre, 1971)
Studies on the hibernation of certain species of thrips living on cereal plants
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)