Haku
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Pests of cultivated plants in Finland during 1988
(Agricultural Research Centre, 1989)
Damage and control of Rhopalosiphum padi in Finland during the outbreak of 1988
(Agricultural Research Centre, 1989)
Pests of cultivated plants in Finland during 1989
(Agricultural Research Centre, 1990)
Importance of perennial grasses, and winter cereals as hosts of barley yellow dwarf virus (BYDV) related to fluctuations of vector aphid population
(Agricultural Research Centre, 1989)
Predicting outbreaks of Rhopalosiphum padi in Finland
(Agricultural Research Centre, 1989)