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- Skrzypczynska M. Studies on the occurrence frequency of insects and mites causing galls on leaves of hornbeam Carpinus betulus L. in southern Poland
- Olejniczak I. Communities of soil microarthropods with special reference to Collembola in midfield shelterbelts
- Makulec G., Olejniczak I. Influence of plant diversity and earthworm casts on the soil mesofauna
- Olejniczak I. Soil mesofauna (Acarina and Collembola) along transects crossed shelterbelts of different age and adjacent fields