Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
96
PANGAEA - Data Publisher for Earth & Environmental Science
59
Unknown
44
LeibnizOpen (The Leibniz Association)
43
Copernicus Publications: E-Journals
26
Directory of Open Access Journals: DOAJ Articles
24
Niedersächsisches Online-Archiv NOA
21
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
14
BORIS (Bern Open Repository and Information System, University of Bern)
13
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
12
Institut national des sciences de l'Univers: HAL-INSU
12
Université de Nantes: HAL-UNIV-NANTES
11
University of Copenhagen: Research
10
Natural Environment Research Council: NERC Open Research Archive
9
Arctic Data Center (via DataONE)
6
Université Grenoble Alpes: HAL
6
Université Savoie Mont Blanc: HAL
6
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
6
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
5
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
5
Archives ouvertes de Paris-Saclay
3
HAL Sorbonne Université
3
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
3
Publication Database PIK (Potsdam Institute for Climate Impact Research)
3
ScholarsArchive@OSU (Oregon State University)
3
University of Potsdam: publish.UP
3
Aarhus University: Research
2
ArXiv.org (Cornell University Library)
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Australian National University: ANU Digital Collections
2
Cambridge University Press
2
Columbia University: Academic Commons
2
Digital Commons University of South Florida (USF)
2
Digital.CSIC (Spanish National Research Council)
2
NOVA: The University of Newcastle Research Online (Australia)
2
OSKAR Bordeaux (Open Science Knowledge ARchive)
2
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
2
The University of Kansas: KU ScholarWorks
2
University of Cambridge, Department of Earth Sciences: ESC Publications
2
University of Massachusetts: ScholarWorks@UMass Amherst
2
University of South Florida St. Petersburg: Digital USFSP
2
eCite UTAS (University of Tasmania)
2
École Polytechnique, Université Paris-Saclay: HAL
2
École des Ponts ParisTech: HAL
2
AAAS Resource Center (American Association for the Advancement of Science - via Crossref)
1
AAAS Resource Center (American Association for the Advancement of Science)
1
ADDI: Repositorio Institucional de la Universidad del País Vasco (UPV)
1
ARPI - Archivio della Ricerca dell'Università di Pisa
1
Australian Mathematical Society (AustMS): E-Journals
1
CERN Document Server (CDS)
1
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