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• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (1)
• Applied Math and Science Education Repository - Washington - USA (68)
• Aquatic Commons (8)
• ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (1)
• Archive of European Integration (2)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (2)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (1)
• Biblioteca Digital de la Universidad Católica Argentina (1)
• Biodiversity Heritage Library, United States (3)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (6)
• CaltechTHESIS (1)
• Cambridge University Engineering Department Publications Database (16)
• CentAUR: Central Archive University of Reading - UK (1)
• Center for Jewish History Digital Collections (107)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (7)
• Cornell: DigitalCommons@ILR (4)
• DI-fusion - The institutional repository of Université Libre de Bruxelles (2)
• Digital Commons - Michigan Tech (2)
• DigitalCommons - The University of Maine Research (1)
• DigitalCommons@The Texas Medical Center (1)
• DigitalCommons@University of Nebraska - Lincoln (2)
• Duke University (1)
• eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (16)
• Helda - Digital Repository of University of Helsinki (17)
• Indian Institute of Science - Bangalore - Índia (71)
• Ministerio de Cultura, Spain (1)
• Plymouth Marine Science Electronic Archive (PlyMSEA) (3)
• Publishing Network for Geoscientific & Environmental Data (17)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (3)
• Queensland University of Technology - ePrints Archive (111)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (13)
• Universidad Politécnica de Madrid (4)
• Universidade Federal do Pará (2)
• University of Michigan (496)
• University of Queensland eSpace - Australia (1)
• University of Washington (1)
• USA Library of Congress (1)