Haku
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Natural enemy conservation for the integrated control of the rape blossom beetle Meligethes aeneus F.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Pests of cultivated plants in Finland in 1984
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)
Pests of cultivated plants in Finland in 1987
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)