Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
437
DataCite Metadata Store (German National Library of Science and Technology)
157
Unknown
145
Directory of Open Access Journals: DOAJ Articles
125
Defense Technical Information Center: DTIC Technical Reports database
95
Copernicus Publications: E-Journals
66
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
62
Niedersächsisches Online-Archiv NOA
49
University of Calgary Journal Hosting
44
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
41
LeibnizOpen (The Leibniz Association)
40
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
39
Digital.CSIC (Spanish National Research Council)
27
PubMed Central (PMC)
26
University of Tromsø: Munin Open Research Archive
24
Aarhus University: Research
23
Université de Nantes: HAL-UNIV-NANTES
23
Institut national des sciences de l'Univers: HAL-INSU
21
University of Bergen: Bergen Open Research Archive (BORA-UiB)
20
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
16
University of Southampton: e-Prints Soton
16
Springer Nature (via Crossref)
15
Technical University of Denmark: DTU Orbit
15
NIOZ Repository (Royal Netherlands Institute for Sea Research)
13
Natural Environment Research Council: NERC Open Research Archive
13
HighWire Press (Stanford University)
12
Polar Research (E-Journal)
12
University of Copenhagen: Research
12
Instituto Español de Oceanografía: e-IEO
11
Max Planck Society: MPG.PuRe
11
Zenodo
11
Cambridge University Press
10
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
10
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
10
Stockholm University: Publications (DiVA)
10
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
9
ETH Zürich Research Collection
8
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
8
Columbia University: Academic Commons
7
MDPI Open Access Publishing
7
National Institute of Polar Research Repository, Japan
7
ScholarsArchive@OSU (Oregon State University)
7
Utrecht University Repository
7
White Rose Research Online (Universities of Leeds, Sheffield & York)
7
Aarhus University: OJS at The State and University Library
6
Apollo - University of Cambridge Repository
6
GEUS Bulletin (Geological Survey of Denmark and Greenland)
6
Institute for Marine Research: Brage IMR
6
SAGE Publications (via Crossref)
6
Tidsskrift.dk (The Royal Library, Denmark)
6
more ...