Content Provider
LeibnizOpen (The Leibniz Association)
56
Arctic Data Center (via DataONE)
37
DataCite Metadata Store (German National Library of Science and Technology)
23
Directory of Open Access Journals: DOAJ Articles
9
Unknown
7
MDPI Open Access Publishing
5
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
4
University of California: eScholarship
3
Charles University CU Digital repository
2
Dryad Digital Repository (Duke University)
2
IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
2
The University of Waikato: Research Commons
2
Università degli Studi di Ferrara: CINECA IRIS
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Arctic and Antarctic Research
1
Chalmers University of Technology: Chalmers research
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
Digital Commons University of South Florida (USF)
1
Edinburgh Research Archive (ERA - University of Edinburgh)
1
HAL - Université de La Rochelle
1
National Institute of Polar Research Repository, Japan
1
Revistas Científicas de la Universidad de Murcia
1
SSOAR - Social Science Open Access Repository
1
U.S. Naval War College Digital Commons
1
Universidad Autónoma de Madrid (UAM): Biblos-e Archivo
1
Universitat de València: Roderic - Repositorio de contenido libre
1
University of Alaska: ScholarWorks@UA
1
University of Bristol: Bristol Research
1
University of Colorado, Boulder: CU Scholar
1
University of South Florida St. Petersburg: Digital USFSP
1
University of Washington, Seattle: ResearchWorks
1
Università degli Studi di Siena: USiena air
1
Université de Nantes: HAL-UNIV-NANTES
1
Uppsala University: Publications (DiVA)
1