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The future of BHL is uncertain, but hopeful. Learn more.
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  1. By: Koshev, Yordan - Kachmakova, Maria - Arangelov, Simeon - Ragyov, Dimitar
    Type: Article
    In: Nature conservation
    Volume: 35
    Date: 2019
    Page Range: 63-95
    Publication Info: Sofia, Bulgaria Pensoft Publishers 2012-