Haku
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The effects of certain plant extracts on the feeding and mortality of Phyllotreta undulata (Coleoptera: Chrysomelidae)
(Agricultural Research Centre, 1985)
The abundance of seed pests of alsike and white clover in Finland
(Agricultural Research Centre, 1964)
Uber Schädlingsforschungen und Bekämpfungsversuche in Mittel und NordFinnland
(Agricultural Research Centre, 1962)
Notes on the toxicity of a commercial preparation of Bacillus thuringiensis var. thuringiensis Berliner on some Lepidoptera and Tenthredinidae larvae
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
The effect of amino acids, vitamins and trace elements on the development of Acyrthosiphon pisum Harris (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Comparison of leafhopper faunae in cereals
(Agricultural Research Centre, 1971)