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• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (3)
• ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (3)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (2)
• Aston University Research Archive (296)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (10)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (6)
• Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (3)
• Boston University Digital Common (1)
• Brock University, Canada (1)
• Bulgarian Digital Mathematics Library at IMI-BAS (1)
• CaltechTHESIS (3)
• Cambridge University Engineering Department Publications Database (103)
• CentAUR: Central Archive University of Reading - UK (4)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (106)
• Cochin University of Science & Technology (CUSAT), India (17)
• CORA - Cork Open Research Archive - University College Cork - Ireland (13)
• Digital Archives@Colby (1)
• Digital Commons - Michigan Tech (6)
• Digital Commons at Florida International University (1)
• Digital Peer Publishing (1)
• DigitalCommons@University of Nebraska - Lincoln (1)
• Diposit Digital de la UB - Universidade de Barcelona (1)
• DRUM (Digital Repository at the University of Maryland) (4)
• Duke University (2)
• Glasgow Theses Service (1)
• Helda - Digital Repository of University of Helsinki (1)
• Illinois Digital Environment for Access to Learning and Scholarship Repository (2)
• Indian Institute of Science - Bangalore - Índia (57)
• Institutional Repository of Leibniz University Hannover (1)
• Instituto Politécnico de Castelo Branco - Portugal (1)
• National Center for Biotechnology Information - NCBI (1)
• Publishing Network for Geoscientific & Environmental Data (44)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (30)
• Queensland University of Technology - ePrints Archive (2)
• Repositório Científico do Instituto Politécnico de Lisboa - Portugal (2)
• Repositorio de la Universidad de Cuenca (1)
• Repositório Institucional da Universidade de Aveiro - Portugal (5)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (31)
• Universidad Politécnica de Madrid (19)
• Universidade Complutense de Madrid (2)
• Universidade Federal do Pará (2)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (5)
• Université de Montréal, Canada (2)
• Université Laval Mémoires et thèses électroniques (2)
• University of Michigan (1)
• University of Queensland eSpace - Australia (6)