Haku
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Mesopolobus graminum (Hårdh) (Hym., Pteromalidae), its population dynamics and influence on Javesella pellucida (F.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Control of Rhopalosiphum padi (L.) (Hom., Aphididae) with Coccinella septempunctata L. (Col., Coccinellidae) in cages, and effect of late aphid infestation on barley yield
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1975)
Experiences of cucumber growers on control of the two-spotted spider mite Tetranychus telarius (L.) with the phytoseiid mite Phytoseiulus persimilis A.H.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)