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• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (1)
• Aquatic Commons (2)
• ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (1)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (2)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (72)
• CentAUR: Central Archive University of Reading - UK (9)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (6)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (580)
• Illinois Digital Environment for Access to Learning and Scholarship Repository (1)
• National Center for Biotechnology Information - NCBI (1)
• Nottingham eTheses (2)
• Publishing Network for Geoscientific & Environmental Data (136)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (2)
• Queensland University of Technology - ePrints Archive (1)
• Repositório Institucional da Universidade de Aveiro - Portugal (1)
• Universidade Federal do Rio Grande do Norte (UFRN) (1)
• Universitat de Girona, Spain (2)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (1)
• Université de Lausanne, Switzerland (4)
• University of Michigan (1)
• University of Washington (2)