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• Academic Archive On-line (Jönköping University; Sweden) (3)
• Academic Archive On-line (Karlstad University; Sweden) (24)
• Academic Archive On-line (Mid Sweden University; Sweden) (2)
• Academic Archive On-line (Stockholm University; Sweden) (1)
• Aquatic Commons (51)
• ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (47)
• Archive of European Integration (1)
• Aston University Research Archive (2)
• Biodiversity Heritage Library, United States (6)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (178)
• CORA - Cork Open Research Archive - University College Cork - Ireland (1)
• Dalarna University College Electronic Archive (97)
• Digital Peer Publishing (20)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (424)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (3)
• Fachlicher Dokumentenserver Paedagogik/Erziehungswissenschaften (2)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (1)
• Helda - Digital Repository of University of Helsinki (46)
• Institutional Repository of Leibniz University Hannover (3)
• Publishing Network for Geoscientific & Environmental Data (3)
• SerWisS - Server für Wissenschaftliche Schriften der Fachhochschule Hannover (3)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (30)
• Université de Lausanne, Switzerland (1)
• University of Michigan (12)