Content Provider
Natural Environment Research Council: NERC Open Research Archive
73
Directory of Open Access Journals: DOAJ Articles
70
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
64
DataCite Metadata Store (German National Library of Science and Technology)
50
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
37
Niedersächsisches Online-Archiv NOA
33
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
30
University of Southampton: e-Prints Soton
30
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
27
University of Groningen research database
27
Université de Nantes: HAL-UNIV-NANTES
25
Unknown
25
eCite UTAS (University of Tasmania)
21
LeibnizOpen (The Leibniz Association)
20
Digital.CSIC (Spanish National Research Council)
19
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
17
Cambridge University Press
15
Institut national des sciences de l'Univers: HAL-INSU
15
Magnolia press
15
Wiley Online Library
15
University of East Anglia: UEA Digital Repository
14
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
12
Caltech Authors (California Institute of Technology)
12
Wageningen UR (University & Research Centre): Digital Library
12
KU Leuven: Lirias
11
DIAL@USL-B (Université Saint-Louis, Bruxelles)
10
Zenodo
9
Ghent University Academic Bibliography
8
University of St Andrews: Research Portal
8
Max Planck Society: MPG.PuRe
7
NIOZ Repository (Royal Netherlands Institute for Sea Research)
7
RI FURG (Repositório da Universidade Federal do Rio Grande)
7
University of Pretoria: UPSpace
7
University of Tasmania: UTas ePrints
7
HAL Sorbonne Université
6
Old Dominion University: ODU Digital Commons
6
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
6
Aix-Marseille Université: HAL
5
Springer Nature (via Crossref)
5
University of Bristol: Bristol Research
5
University of California: eScholarship
5
Université de Bretagne Occidentale: HAL
5
Aarhus University: Research
4
Frontiers (Publisher)
4
GEO-LEOe-docs (FID GEO)
4
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
4
James Cook University, Australia: ResearchOnline@JCU
4
Keele University: Keele Research Repository
4
The Royal Society
4
UNSW Sydney (The University of New South Wales): UNSWorks
4
more ...