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• Academic Archive On-line (Stockholm University; Sweden) (1)
• Adam Mickiewicz University Repository (1)
• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (1)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (1)
• Biblioteca Digital | Sistema Integrado de Documentación | UNCuyo - UNCUYO. UNIVERSIDAD NACIONAL DE CUYO. (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (10)
• CentAUR: Central Archive University of Reading - UK (9)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (4)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• Instituto Politécnico de Viseu (1)
• Ministerio de Cultura, Spain (3)
• Publishing Network for Geoscientific & Environmental Data (956)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (3)
• Repositório Digital da UNIVERSIDADE DA MADEIRA - Portugal (1)
• Universidad del Rosario, Colombia (1)
• Universitat de Girona, Spain (1)
• University of Michigan (1)
• Worcester Research and Publications - Worcester Research and Publications - UK (2)