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• Aberdeen University (1)
• Aquatic Commons (1)
• Archive of European Integration (7)
• Aston University Research Archive (2)
• Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (3)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (5)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (2)
• Biblioteca Valenciana Digital - Ministerio de Educación, Cultura y Deporte - Valencia - Espanha (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (31)
• Boston University Digital Common (2)
• Brock University, Canada (8)
• Bulgarian Digital Mathematics Library at IMI-BAS (3)
• CaltechTHESIS (1)
• Cambridge University Engineering Department Publications Database (9)
• CentAUR: Central Archive University of Reading - UK (26)
• Center for Jewish History Digital Collections (11)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (12)
• Coffee Science - Universidade Federal de Lavras (1)
• Department of Computer Science E-Repository - King's College London, Strand, London (8)
• Digital Archives@Colby (37)
• Digital Commons - Michigan Tech (5)
• Digital Commons @ DU | University of Denver Research (2)
• Digital Commons at Florida International University (4)
• Digital Repository at Iowa State University (2)
• DigitalCommons@University of Nebraska - Lincoln (2)
• DRUM (Digital Repository at the University of Maryland) (2)
• Duke University (1)
• Ecology and Society (1)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (6)
• Greenwich Academic Literature Archive - UK (1)
• Harvard University (2)
• Helda - Digital Repository of University of Helsinki (14)
• Illinois Digital Environment for Access to Learning and Scholarship Repository (1)
• Indian Institute of Science - Bangalore - Índia (18)
• Instituto Politécnico de Bragança (1)
• Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States (1)
• Línguas & Letras - Unoeste (1)
• Massachusetts Institute of Technology (1)
• Memorial University Research Repository (1)
• National Center for Biotechnology Information - NCBI (2)
• Plymouth Marine Science Electronic Archive (PlyMSEA) (4)
• Publishing Network for Geoscientific & Environmental Data (308)
• QSpace: Queen's University - Canada (1)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (26)
• Queensland University of Technology - ePrints Archive (88)
• Repositório Alice (Acesso Livre à Informação Científica da Embrapa / Repository Open Access to Scientific Information from Embrapa) (13)
• Repositório Científico da Universidade de Évora - Portugal (2)
• Repositório do ISCTE - Instituto Universitário de Lisboa (2)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (38)
• Repositorio Institucional UNISALLE - Colombia (1)
• Repositorio Institucional Universidad de Medellín (1)
• RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (3)
• Scielo España (1)
• The Scholarly Commons | School of Hotel Administration; Cornell University Research (1)
• Universidad Politécnica de Madrid (22)
• Universidade Federal do Pará (1)
• Universidade Técnica de Lisboa (1)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (3)
• Université de Montréal, Canada (1)
• University of Connecticut - USA (1)
• University of Michigan (83)
• University of Queensland eSpace - Australia (22)
• University of Southampton, United Kingdom (4)
• University of Washington (2)