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• BORIS: Bern Open Repository and Information System - Berna - Suiça (5)
• Bulgarian Digital Mathematics Library at IMI-BAS (1)
• CentAUR: Central Archive University of Reading - UK (1)
• Consorci de Serveis Universitaris de Catalunya (CSUC), Spain (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (2)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (290)
• Harvard University (2)
• National Center for Biotechnology Information - NCBI (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (1)
• Universidad de Alicante (1)
• Universidade Técnica de Lisboa (1)
• Université de Lausanne, Switzerland (16)
• Université de Montréal, Canada (5)
• University of Michigan (27)