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• Academic Research Repository at Institute of Developing Economies (1)
• Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España (3)
• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (2)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
• Aquatic Commons (9)
• ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (1)
• Archimer: Archive de l'Institut francais de recherche pour l'exploitation de la mer (1)
• Archive of European Integration (106)
• Aston University Research Archive (4)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (5)
• Biblioteca Valenciana Digital - Ministerio de Educación, Cultura y Deporte - Valencia - Espanha (1)
• Biodiversity Heritage Library, United States (10)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (28)
• Boston University Digital Common (2)
• Brock University, Canada (11)
• CaltechTHESIS (1)
• Cambridge University Engineering Department Publications Database (5)
• CentAUR: Central Archive University of Reading - UK (25)
• Center for Jewish History Digital Collections (2)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (15)
• Clark Digital Commons--knowledge; creativity; research; and innovation of Clark University (1)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (18)
• CORA - Cork Open Research Archive - University College Cork - Ireland (1)
• Dalarna University College Electronic Archive (1)
• DI-fusion - The institutional repository of Université Libre de Bruxelles (2)
• Digital Archives@Colby (1)
• Digital Commons - Michigan Tech (2)
• Digital Commons @ DU | University of Denver Research (3)
• Digital Commons at Florida International University (2)
• DigitalCommons@The Texas Medical Center (3)
• DigitalCommons@University of Nebraska - Lincoln (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (2)
• DRUM (Digital Repository at the University of Maryland) (1)
• Duke University (2)
• Harvard University (82)
• Helda - Digital Repository of University of Helsinki (2)
• Indian Institute of Science - Bangalore - Índia (6)
• Instituto Nacional de Saúde de Portugal (1)
• Instituto Politécnico de Viseu (1)
• Memoria Académica - FaHCE, UNLP - Argentina (3)
• Ministerio de Cultura, Spain (1)
• National Center for Biotechnology Information - NCBI (16)
• Plymouth Marine Science Electronic Archive (PlyMSEA) (13)
• Portal de Revistas Científicas Complutenses - Espanha (2)
• Publishing Network for Geoscientific & Environmental Data (44)
• QSpace: Queen's University - Canada (1)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (25)
• Queensland University of Technology - ePrints Archive (30)
• ReCiL - Repositório Científico Lusófona - Grupo Lusófona, Portugal (1)
• Repositório digital da Fundação Getúlio Vargas - FGV (1)
• Repositório Institucional da Universidade Federal do Rio Grande do Norte (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (25)
• Research Open Access Repository of the University of East London. (1)
• School of Medicine, Washington University, United States (1)
• South Carolina State Documents Depository (6)
• Universidad de Alicante (1)
• Universidad Politécnica de Madrid (5)
• Universidade Complutense de Madrid (1)
• Universidade Federal do Pará (1)
• Universidade Federal do Rio Grande do Norte (UFRN) (2)
• Université de Lausanne, Switzerland (1)
• Université de Montréal, Canada (3)
• University of Michigan (344)
• University of Queensland eSpace - Australia (10)
• University of Washington (2)
• USA Library of Congress (18)
• Worcester Research and Publications - Worcester Research and Publications - UK (1)