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• BORIS: Bern Open Repository and Information System - Berna - Suiça (2)
• CentAUR: Central Archive University of Reading - UK (1)
• Digital Peer Publishing (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• Instituto Gulbenkian de Ciência (1)
• Ministerio de Cultura, Spain (1)
• University of Michigan (11)