Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
288
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
61
PANGAEA - Data Publisher for Earth & Environmental Science
41
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
21
Unknown
20
Directory of Open Access Journals: DOAJ Articles
17
DataCite
16
Zenodo
13
Copernicus Publications: E-Journals
10
Defense Technical Information Center: DTIC Technical Reports database
10
Technical University of Denmark: DTU Orbit
8
Naval Postgraduate School: Calhoun
7
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
7
Frontiers: Figshare
6
University of Copenhagen: Research
6
Aarhus University: Research
5
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
5
ETH Zürich Research Collection
5
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
5
Natural Environment Research Council: NERC Open Research Archive
5
University of Bergen: Bergen Open Research Archive (BORA-UiB)
5
University of Southampton: e-Prints Soton
5
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
HighWire Press (Stanford University)
4
NIOZ Repository (Royal Netherlands Institute for Sea Research)
4
Niedersächsisches Online-Archiv NOA
4
Norwegian Polar Data Centre
4
Polar Research (E-Journal)
4
University of East Anglia: UEA Digital Repository
4
Wiley Online Library
4
Australian National University: ANU Digital Collections
3
Digital.CSIC (Spanish National Research Council)
3
PubMed Central (PMC)
3
University of Tromsø: Septentrio Academic Publishing
3
Frontiers (Publisher)
2
Max Planck Society: MPG.PuRe
2
NASA Technical Reports Server (NTRS)
2
Oxford University Press
2
Repositório Institucional da Universidade de Aveiro (RIA)
2
ScholarsArchive@OSU (Oregon State University)
2
ScienceDirect (Elsevier)
2
University of Tromsø: Munin Open Research Archive
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
Université de Bretagne Occidentale: HAL
2
AAAS Resource Center (American Association for the Advancement of Science)
1
ArXiv.org (Cornell University Library)
1
Archives ouvertes de Paris-Saclay
1
Cambridge University Press
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
CentAUR: Central Archive at the University of Reading
1
more ...