Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
303
Zenodo
134
DataCite
44
PANGAEA - Data Publisher for Earth & Environmental Science
12
Directory of Open Access Journals: DOAJ Articles
8
Digital.CSIC (Spanish National Research Council)
7
Kazan Federal University Digital Repository
7
NORA (National aggregator of open repositories of Russian universities)
7
Auckland University of Technology: Tuwhera Open Research
4
Biodiversity Heritage Library (BHL)
4
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
3
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
3
Frontiers: Figshare
3
HAL - Université de La Rochelle
3
Instituto Español de Oceanografía: e-IEO
3
Universidad de Las Palmas de Gran Canaria: Acceda
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Hathi Trust Digital Library
2
MACAU: Open Access Repository of Kiel University
2
MDPI Open Access Publishing
2
University of Pretoria: UPSpace
2
Université de Nantes: HAL-UNIV-NANTES
2
Unknown
2
American Museum of Natural History: AMNH scientific publications
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Carleton University's Institutional Repository
1
Dalhousie University Libraries Journal Hosting Service
1
Dalhousie University: DalSpace Institutional Repository
1
Digital Commons University of South Florida (USF)
1
Dipòsit Digital de la Universitat de Barcelona
1
HELDA – University of Helsinki Open Repository
1
KRISHI Publication and Data Inventory Repository (Knowledge based Resources Information Systems Hub for Innovations in Agriculture - Indian Council of Agricultural Research, ICAR)
1
Magnolia press
1
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
1
National University of Ireland (NUI), Galway: ARAN
1
Natural History Museum Repository
1
Naturalis Digital Academic Repository (National Museum of Natural History in the Netherlands)
1
Naturalis Institutional Repository
1
OpenAgrar (OA)
1
PubMed Central (PMC)
1
Repositório da Universidade dos Açores
1
Sapienza Università di Roma: CINECA IRIS
1
Swedish Museum of Natural History: Publications (DiVA)
1
Technical University of Lisbon: UTL Repository
1
Universidade de Coimbra: Estudo Geral
1
Universidade do Algarve: Sapienta
1
Universitat de Barcelona: Theses and Dissertations Online (TDX)
1
University College London: UCL Discovery
1
University of South Florida St. Petersburg: Digital USFSP
1
University of Tasmania: UTas ePrints
1
more ...