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• JISC Information Environment Repository (1)
• Aberystwyth University Repository - Reino Unido (2)
• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (1)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
• Applied Math and Science Education Repository - Washington - USA (1)
• Aquatic Commons (5)
• Archive of European Integration (6)
• Aston University Research Archive (3)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (5)
• Biodiversity Heritage Library, United States (7)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (22)
• Brock University, Canada (3)
• Bulgarian Digital Mathematics Library at IMI-BAS (4)
• CaltechTHESIS (1)
• CentAUR: Central Archive University of Reading - UK (11)
• Center for Jewish History Digital Collections (2)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (15)
• Cochin University of Science & Technology (CUSAT), India (3)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (6)
• CORA - Cork Open Research Archive - University College Cork - Ireland (8)
• Cornell: DigitalCommons@ILR (1)
• CUNY Academic Works (3)
• Digital Archives@Colby (6)
• Digital Commons - Michigan Tech (4)
• Digital Commons - Montana Tech (2)
• Digital Commons @ DU | University of Denver Research (2)
• Digital Commons @ Winthrop University (1)
• Digital Commons at Florida International University (7)
• DigitalCommons@The Texas Medical Center (6)
• DigitalCommons@University of Nebraska - Lincoln (2)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (6)
• DRUM (Digital Repository at the University of Maryland) (2)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (1)
• Greenwich Academic Literature Archive - UK (2)
• Harvard University (220)
• Helda - Digital Repository of University of Helsinki (3)
• Helvia: Repositorio Institucional de la Universidad de Córdoba (1)
• Indian Institute of Science - Bangalore - Índia (6)
• Memoria Académica - FaHCE, UNLP - Argentina (15)
• National Center for Biotechnology Information - NCBI (12)
• Portal de Periódicos Eletrônicos da UFPB (1)
• Publishing Network for Geoscientific & Environmental Data (21)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (15)
• Queensland University of Technology - ePrints Archive (28)
• Repositorio Académico de la Universidad Nacional de Costa Rica (4)
• Repositório do Centro Hospitalar de Lisboa Central, EPE - Centro Hospitalar de Lisboa Central, EPE, Portugal (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (6)
• Savoirs UdeS : plateforme de diffusion de la production intellectuelle de l’Université de Sherbrooke - Canada (1)
• School of Medicine, Washington University, United States (2)
• Universidad Autónoma de Nuevo León, Mexico (1)
• Universidad de Alicante (1)
• Universidad del Rosario, Colombia (3)
• Universidad Politécnica de Madrid (1)
• Universidade Complutense de Madrid (2)
• Universidade de Lisboa - Repositório Aberto (1)
• Universidade Federal do Pará (1)
• Universidade Metodista de São Paulo (1)
• Universitat de Girona, Spain (2)
• Université de Montréal, Canada (1)
• University of Connecticut - USA (2)
• University of Michigan (451)
• University of Queensland eSpace - Australia (2)