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• Aberdeen University (1)
• Aberystwyth University Repository - Reino Unido (1)
• Academic Research Repository at Institute of Developing Economies (2)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
• Aquatic Commons (7)
• Aston University Research Archive (9)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (2)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (4)
• Biblioteca Digital de Artesanías de Colombia (2)
• Biodiversity Heritage Library, United States (13)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (22)
• Boston University Digital Common (1)
• Brock University, Canada (5)
• Cambridge University Engineering Department Publications Database (4)
• CentAUR: Central Archive University of Reading - UK (11)
• Center for Jewish History Digital Collections (2)
• Chapman University Digital Commons - CA - USA (1)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (5)
• Coffee Science - Universidade Federal de Lavras (1)
• Collection Of Biostatistics Research Archive (1)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (3)
• CORA - Cork Open Research Archive - University College Cork - Ireland (1)
• CUNY Academic Works (5)
• Dalarna University College Electronic Archive (1)
• DI-fusion - The institutional repository of Université Libre de Bruxelles (1)
• Digital Archives@Colby (2)
• Digital Commons - Montana Tech (2)
• DigitalCommons@The Texas Medical Center (5)
• DigitalCommons@University of Nebraska - Lincoln (4)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (2)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• Duke University (1)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (2)
• Greenwich Academic Literature Archive - UK (1)
• Harvard University (45)
• Indian Institute of Science - Bangalore - Índia (1)
• Instituto Gulbenkian de Ciência (1)
• Instituto Politécnico de Bragança (1)
• Instituto Politécnico do Porto, Portugal (1)
• Lume - Repositório Digital da Universidade Federal do Rio Grande do Sul (1)
• Memoria Académica - FaHCE, UNLP - Argentina (9)
• Ministerio de Cultura, Spain (5)
• National Center for Biotechnology Information - NCBI (30)
• Portal de Revistas Científicas Complutenses - Espanha (3)
• Publishing Network for Geoscientific & Environmental Data (29)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (25)
• Queensland University of Technology - ePrints Archive (197)
• Repositorio de la Universidad de Cuenca (1)
• Repositorio Institucional de la Universidad de El Salvador (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (7)
• School of Medicine, Washington University, United States (5)
• Scientific Open-access Literature Archive and Repository (1)
• South Carolina State Documents Depository (25)
• Universidad del Rosario, Colombia (8)
• University of Connecticut - USA (13)
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• University of Queensland eSpace - Australia (7)
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• USA Library of Congress (1)