Haku
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The current status of plant protection and outlook for the near future
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Natural enemy conservation for the integrated control of the rape blossom beetle Meligethes aeneus F.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Utilization of diapause in mass production of Aphidoletes aphidimyza (Rond.)(Dipt.,Cecidomyiidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Non-chemical control of carrot rust fly in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)