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  1. By: Kozuharova, Ekaterina K - Simeonov, Vasil
    Type: Article
    In: BioRisk : biodiversity & ecosystem risk assessment
    Volume: 17
    Date: 2022-4-21
    Page Range: 317--327
    Publication Info: Sofia, Bulgaria Pensoft
    Subjects: Bombus  bumblebees decline  Monitoring  pollinators