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• Applied Math and Science Education Repository - Washington - USA (2)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (2)
• Aston University Research Archive (2)
• Biblioteca Digital da Câmara dos Deputados (1)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (1)
• Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (2)
• Biodiversity Heritage Library, United States (2)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (379)
• Boston University Digital Common (4)
• Brock University, Canada (7)
• Cambridge University Engineering Department Publications Database (30)
• CentAUR: Central Archive University of Reading - UK (2)
• Center for Jewish History Digital Collections (28)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (23)
• Cornell: DigitalCommons@ILR (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (3)
• DRUM (Digital Repository at the University of Maryland) (3)
• Greenwich Academic Literature Archive - UK (2)
• Harvard University (6)
• Helda - Digital Repository of University of Helsinki (6)
• Indian Institute of Science - Bangalore - Índia (9)
• Open University Netherlands (1)
• Portal de Revistas Científicas Complutenses - Espanha (5)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (18)
• Queensland University of Technology - ePrints Archive (52)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (1)
• School of Medicine, Washington University, United States (8)
• South Carolina State Documents Depository (1)
• Universidad del Rosario, Colombia (10)
• Universidad Politécnica de Madrid (4)
• University of Michigan (353)
• University of Queensland eSpace - Australia (1)
• WestminsterResearch - UK (1)