Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
3,508
DataCite Metadata Store (German National Library of Science and Technology)
264
Directory of Open Access Journals: DOAJ Articles
149
Unknown
144
Copernicus Publications: E-Journals
91
ScienceDirect (Elsevier - via Crossref)
72
Cambridge University Press
69
National Institute of Polar Research Repository, Japan
66
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
64
Niedersächsisches Online-Archiv NOA
64
Natural Environment Research Council: NERC Open Research Archive
59
Université de Nantes: HAL-UNIV-NANTES
45
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
42
Springer Nature (via Crossref)
34
BORIS (Bern Open Repository and Information System, University of Bern)
31
RWTH Aachen University: RWTH Publications
24
Utrecht University Repository
24
Norsk Polarinstitutt: Brage NP
23
Norwegian Polar Institute: Brage NP
23
HELDA – University of Helsinki Open Repository
20
Ghent University Academic Bibliography
19
LeibnizOpen (The Leibniz Association)
19
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
18
Institut national des sciences de l'Univers: HAL-INSU
15
SEALS Digital Commons (South East Academic Libraries System, South Africa)
15
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
14
Rhodes University Cory: Repository
14
University of Bergen: Bergen Open Research Archive (BORA-UiB)
14
Polar Research (E-Journal)
13
University of Copenhagen: Research
13
HighWire Press (Stanford University)
12
Wiley Online Library (via Crossref)
12
eCite UTAS (University of Tasmania)
12
Lund University Publications (LUP)
11
PubMed Central (PMC)
10
ScienceDirect (Elsevier)
10
University of Groningen research database
9
University of St Andrews: Research Portal
9
University of Tromsø: Munin Open Research Archive
9
Vrije Universiteit Brussel (VUB): Research Output
9
Zenodo
9
Informa (via Crossref)
8
KU Leuven: Lirias
8
MDPI Open Access Publishing
8
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
8
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
8
University of Pretoria: UPSpace
8
University of Tasmania: UTas ePrints
8
GEO-LEOe-docs (FID GEO)
7
Georg-August-Universität Göttingen: GoeScholar
7
more ...