Haku
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Evaluation of predator-prey ratio using Chrysopa carnea Steph. in control of Rhopalosiphum padi (L.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
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)
"Pest in first" and "natural infestation" methods in the control of tetranychus urticae koch with phytoseiulus persimilis athias-henriot on glasshouse cucumbers
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)