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• Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España (1)
• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (4)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (2)
• Applied Math and Science Education Repository - Washington - USA (1)
• Archive of European Integration (1)
• Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (1)
• Biblioteca de Teses e Dissertações da USP (1)
• Biblioteca Digital | Sistema Integrado de Documentación | UNCuyo - UNCUYO. UNIVERSIDAD NACIONAL DE CUYO. (9)
• Bibloteca do Senado Federal do Brasil (4)
• Biodiversity Heritage Library, United States (58)
• Blue Tiger Commons - Lincoln University - USA (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (59)
• Brock University, Canada (97)
• Bucknell University Digital Commons - Pensilvania - USA (3)
• CentAUR: Central Archive University of Reading - UK (8)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (8)
• Consorci de Serveis Universitaris de Catalunya (CSUC), Spain (7)
• CUNY Academic Works (56)
• Dalarna University College Electronic Archive (1)
• Digital Archives@Colby (1)
• Digital Commons - Michigan Tech (1)
• Digital Commons @ DU | University of Denver Research (1)
• Digital Peer Publishing (1)
• DigitalCommons - The University of Maine Research (1)
• DigitalCommons@The Texas Medical Center (1)
• DigitalCommons@University of Nebraska - Lincoln (3)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (61)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (19)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (54)
• Harvard University (262)
• Martin Luther Universitat Halle Wittenberg, Germany (1)
• Memoria Académica - FaHCE, UNLP - Argentina (39)
• Ministerio de Cultura, Spain (2)
• Publishing Network for Geoscientific & Environmental Data (104)
• ReCiL - Repositório Científico Lusófona - Grupo Lusófona, Portugal (1)
• 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 (4)
• School of Medicine, Washington University, United States (39)
• Scielo Saúde Pública - SP (3)
• Universidad Autónoma de Nuevo León, Mexico (2)
• Universidad de Alicante (2)
• Universidad del Rosario, Colombia (4)
• Universidad Politécnica de Madrid (4)
• Universidade do Minho (1)
• Universidade Federal do Pará (1)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (2)
• Université de Lausanne, Switzerland (25)
• Université de Montréal, Canada (6)
• University of Connecticut - USA (2)
• University of Michigan (3)
• University of Queensland eSpace - Australia (5)
• University of Southampton, United Kingdom (1)
• USA Library of Congress (10)