Haku
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Pests of cultivated plants in Finland in 1973
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1974)
Pests of cultivated plants in Finland in 1975
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Pests of cultivated plants in Finland in 1969
(Agricultural Research centreMaatalouden tutkimuskeskus, 1970)
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 1974
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1975)