Haku
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Pests of cultivated plants in Finland in 1984
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)
Pests of cultivated plants in Finland in 1970
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Pests of cultivated plants in Finland in 1967
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1968)
Pests of cultivated plants in Finland in 1987
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Pests of cultivated plants in Finland in 1977
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1978)
Pests of cultivated plants in Finland in 1974
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1975)