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• Repository Napier (3)
• Academic Archive On-line (Stockholm University; Sweden) (1)
• Academic Research Repository at Institute of Developing Economies (1)
• Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España (2)
• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (3)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
• Aquatic Commons (10)
• Archive of European Integration (12)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (1)
• Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (2)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (22)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (14)
• Biblioteca Valenciana Digital - Ministerio de Educación, Cultura y Deporte - Valencia - Espanha (1)
• Biodiversity Heritage Library, United States (9)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (33)
• Boston University Digital Common (2)
• Brock University, Canada (19)
• Bucknell University Digital Commons - Pensilvania - USA (2)
• Cambridge University Engineering Department Publications Database (23)
• CentAUR: Central Archive University of Reading - UK (56)
• Center for Jewish History Digital Collections (4)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (18)
• Cochin University of Science & Technology (CUSAT), India (7)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (4)
• Dalarna University College Electronic Archive (4)
• Digital Archives@Colby (3)
• Digital Commons - Michigan Tech (7)
• Digital Commons - Montana Tech (2)
• Digital Commons @ DU | University of Denver Research (2)
• Digital Commons @ Winthrop University (1)
• Digital Commons at Florida International University (1)
• Digital Peer Publishing (1)
• DigitalCommons - The University of Maine Research (1)
• DigitalCommons@The Texas Medical Center (5)
• DigitalCommons@University of Nebraska - Lincoln (3)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (5)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• DRUM (Digital Repository at the University of Maryland) (1)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (34)
• Greenwich Academic Literature Archive - UK (2)
• Harvard University (2)
• Helda - Digital Repository of University of Helsinki (26)
• Indian Institute of Science - Bangalore - Índia (18)
• Instituto Politécnico de Bragança (1)
• Instituto Politécnico de Castelo Branco - Portugal (1)
• Instituto Politécnico do Porto, Portugal (2)
• Martin Luther Universitat Halle Wittenberg, Germany (2)
• Memoria Académica - FaHCE, UNLP - Argentina (1)
• Ministerio de Cultura, Spain (6)
• National Center for Biotechnology Information - NCBI (9)
• Portal de Revistas Científicas Complutenses - Espanha (1)
• Publishing Network for Geoscientific & Environmental Data (41)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (59)
• Queensland University of Technology - ePrints Archive (87)
• Repositório Científico da Universidade de Évora - Portugal (2)
• Repositório digital da Fundação Getúlio Vargas - FGV (1)
• Repositorio Institucional da UFLA (RIUFLA) (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (73)
• Research Open Access Repository of the University of East London. (1)
• RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (1)
• School of Medicine, Washington University, United States (4)
• Universidad Politécnica de Madrid (14)
• Universidade de Lisboa - Repositório Aberto (1)
• Universidade Federal do Rio Grande do Norte (UFRN) (1)
• Universitat de Girona, Spain (3)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (6)
• Université de Lausanne, Switzerland (3)
• Université de Montréal, Canada (1)
• Université Laval Mémoires et thèses électroniques (1)
• University of Michigan (223)
• University of Washington (3)
• Worcester Research and Publications - Worcester Research and Publications - UK (2)