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• Aquatic Commons (8)
• Archive of European Integration (26)
• Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (1)
• Biodiversity Heritage Library, United States (238)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (6)
• Boston University Digital Common (1)
• Brock University, Canada (41)
• CentAUR: Central Archive University of Reading - UK (7)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (3)
• Cochin University of Science & Technology (CUSAT), India (1)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (18)
• CORA - Cork Open Research Archive - University College Cork - Ireland (1)
• Digital Commons @ DU | University of Denver Research (1)
• Digital Commons @ Winthrop University (2)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• Duke University (2)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (4)
• Harvard University (4)
• Helda - Digital Repository of University of Helsinki (2)
• Ministerio de Cultura, Spain (1)
• National Center for Biotechnology Information - NCBI (1)
• Plymouth Marine Science Electronic Archive (PlyMSEA) (1)
• Publishing Network for Geoscientific & Environmental Data (4)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (3)
• Queensland University of Technology - ePrints Archive (3)
• SAPIENTIA - Universidade do Algarve - Portugal (1)
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