Haku
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Mesopolobus graminum (Hårdh) (Hym., Pteromalidae), its population dynamics and influence on Javesella pellucida (F.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Lindane seed dressing and dimethoate spraying in pest control of sugar-beet seedlings
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1975)