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• Aquatic Commons (5)
• 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: (1)
• Biblioteca Digital | Sistema Integrado de Documentación | UNCuyo - UNCUYO. UNIVERSIDAD NACIONAL DE CUYO. (2)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (1)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (3)
• Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (3)
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• BORIS: Bern Open Repository and Information System - Berna - Suiça (9)
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• CaltechTHESIS (1)
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• CentAUR: Central Archive University of Reading - UK (19)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (18)
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• CORA - Cork Open Research Archive - University College Cork - Ireland (1)
• Dalarna University College Electronic Archive (3)
• Deakin Research Online - Australia (24)
• Digital Archives@Colby (7)
• Digital Commons - Michigan Tech (1)
• Digital Commons - Montana Tech (1)
• Digital Commons @ DU | University of Denver Research (2)
• Digital Peer Publishing (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (92)
• Diposit Digital de la UB - Universidade de Barcelona (1)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• DRUM (Digital Repository at the University of Maryland) (4)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (21)
• Greenwich Academic Literature Archive - UK (2)
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• Lume - Repositório Digital da Universidade Federal do Rio Grande do Sul (1)
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• National Center for Biotechnology Information - NCBI (4)
• Portal de Revistas Científicas Complutenses - Espanha (1)
• Publishing Network for Geoscientific & Environmental Data (25)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (23)
• Queensland University of Technology - ePrints Archive (23)
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