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• Aberystwyth University Repository - Reino Unido (1)
• Applied Math and Science Education Repository - Washington - USA (1)
• Aquatic Commons (112)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (1)
• Biblioteca Digital da Câmara dos Deputados (1)
• Biodiversity Heritage Library, United States (1)
• Boston University Digital Common (4)
• Brock University, Canada (23)
• CaltechTHESIS (1)
• Cambridge University Engineering Department Publications Database (2)
• Center for Jewish History Digital Collections (6)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (1)
• Cornell: DigitalCommons@ILR (2)
• DigitalCommons@The Texas Medical Center (1)
• DRUM (Digital Repository at the University of Maryland) (3)
• Duke University (19)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (3)
• Helda - Digital Repository of University of Helsinki (7)
• Plymouth Marine Science Electronic Archive (PlyMSEA) (1)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (1)
• Queensland University of Technology - ePrints Archive (57)
• University of Michigan (751)