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• Academic Research Repository at Institute of Developing Economies (1)
• Aquatic Commons (4)
• Biodiversity Heritage Library, United States (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (2)
• CaltechTHESIS (2)
• Cambridge University Engineering Department Publications Database (19)
• CentAUR: Central Archive University of Reading - UK (2)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (635)
• CORA - Cork Open Research Archive - University College Cork - Ireland (4)
• Digital Commons at Florida International University (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• DRUM (Digital Repository at the University of Maryland) (2)
• Duke University (5)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (2)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (19)
• Greenwich Academic Literature Archive - UK (4)
• Helda - Digital Repository of University of Helsinki (3)
• Indian Institute of Science - Bangalore - Índia (8)
• Portal de Revistas Científicas Complutenses - Espanha (2)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (53)
• Queensland University of Technology - ePrints Archive (144)
• Repositório Científico do Instituto Politécnico de Lisboa - Portugal (2)
• SAPIENTIA - Universidade do Algarve - Portugal (1)
• Université de Lausanne, Switzerland (1)
• University of Michigan (74)