Haku
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Damage and control of Rhopalosiphum padi in Finland during the outbreak of 1988
(Agricultural Research Centre, 1989)
Frequency of potential yield losses due to flea beetles on spring cereals in Finland
(Agricultural Research Centre, 1990)
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)