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• Aberystwyth University Repository - Reino Unido (2)
• Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España (1)
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• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (1)
• Applied Math and Science Education Repository - Washington - USA (1)
• Aquatic Commons (23)
• Archive of European Integration (10)
• Aston University Research Archive (2)
• Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (1)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (1)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (7)
• Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (2)
• Biblioteca Valenciana Digital - Ministerio de Educación, Cultura y Deporte - Valencia - Espanha (1)
• Biodiversity Heritage Library, United States (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (9)
• Boston University Digital Common (1)
• Brock University, Canada (20)
• Cambridge University Engineering Department Publications Database (4)
• CentAUR: Central Archive University of Reading - UK (60)
• Center for Jewish History Digital Collections (24)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (19)
• Cochin University of Science & Technology (CUSAT), India (8)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (1)
• CORA - Cork Open Research Archive - University College Cork - Ireland (4)
• Dalarna University College Electronic Archive (1)
• Digital Commons - Montana Tech (1)
• Digital Commons @ Winthrop University (1)
• Digital Peer Publishing (1)
• DigitalCommons - The University of Maine Research (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• Diposit Digital de la UB - Universidade de Barcelona (1)
• DRUM (Digital Repository at the University of Maryland) (5)
• Duke University (4)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (6)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (7)
• Glasgow Theses Service (1)
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• Helda - Digital Repository of University of Helsinki (4)
• Indian Institute of Science - Bangalore - Índia (17)
• Laboratório Nacional de Energia e Geologia - Portugal (2)
• Massachusetts Institute of Technology (1)
• Plymouth Marine Science Electronic Archive (PlyMSEA) (4)
• Portal de Revistas Científicas Complutenses - Espanha (5)
• Publishing Network for Geoscientific & Environmental Data (105)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (51)
• Queensland University of Technology - ePrints Archive (33)
• Repositório Institucional da Universidade de Aveiro - Portugal (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (7)
• Royal College of Art Research Repository - Uninet Kingdom (1)
• School of Medicine, Washington University, United States (1)
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• Universidad Autónoma de Nuevo León, Mexico (4)
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• Universidad del Rosario, Colombia (5)
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• Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP) (2)
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