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The future of BHL is uncertain, but hopeful. Learn more.
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  1. By: Roy, Helen - Migeon, Alain
    Type: Article
    In: BioRisk : biodiversity & ecosystem risk assessment
    Volume: 4
    Date: 2010
    Page Range: 293-313
    Publication Info: Sofia, Bulgaria Pensoft
    Subjects: Coccinellid, ladybird, alien, Europe, biological c