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• Aquatic Commons (45)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (22)
• Biblioteca Digital da Câmara dos Deputados (17)
• Biblioteca Digital de la Universidad Católica Argentina (12)
• Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (27)
• Biodiversity Heritage Library, United States (2)
• CaltechTHESIS (31)
• Cambridge University Engineering Department Publications Database (63)
• Center for Jewish History Digital Collections (11)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (57)
• Cornell: DigitalCommons@ILR (1)
• Digital Commons @ Winthrop University (1)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (20)
• Helda - Digital Repository of University of Helsinki (34)
• Indian Institute of Science - Bangalore - Índia (344)
• Portal de Revistas Científicas Complutenses - Espanha (1)
• Queensland University of Technology - ePrints Archive (136)
• Repositorio Institucional de la Universidad Nacional Agraria (20)
• South Carolina State Documents Depository (53)
• University of Michigan (101)
• USA Library of Congress (2)