INFLUENCE OF UNDERSTORY COVER AND SURROUNDING HABITAT ON INTERACTIONS BETWEEN BENEFICIAL ARTHROPODS AND PESTS IN ORCHARDS - PAPERS PRESENTED AT THE 19TH INTERNATIONAL-CONGRESS OF ENTOMOLOGY, 28 JUNE 4 JULY 1992, BEIJING, PEOPLES-REPUBLIC-OF-CHINA
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10.1016/0167-8809(94)90119-8