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• Applied Math and Science Education Repository - Washington - USA (13)
• Archive of European Integration (7)
• Aston University Research Archive (3)
• Biblioteca Virtual del Sistema Sanitario Público de Andalucía (BV-SSPA), Junta de Andalucía. Consejería de Salud y Bienestar Social, Spain (3)
• Biodiversity Heritage Library, United States (56)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (5)
• Brock University, Canada (26)
• Bucknell University Digital Commons - Pensilvania - USA (1)
• CentAUR: Central Archive University of Reading - UK (4)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (7)
• Corvinus Research Archive - The institutional repository for the Corvinus University of Budapest (1)
• Dalarna University College Electronic Archive (2)
• Digital Commons @ DU | University of Denver Research (1)
• DigitalCommons@The Texas Medical Center (5)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (2)
• Harvard University (7)
• Publishing Network for Geoscientific & Environmental Data (1)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (2)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (2)
• RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (1)
• Universidad del Rosario, Colombia (1)
• Université de Lausanne, Switzerland (1)
• Université de Montréal, Canada (1)
• University of Connecticut - USA (1)
• University of Michigan (842)
• USA Library of Congress (1)
• WestminsterResearch - UK (1)