Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
35
Unknown
25
Directory of Open Access Journals: DOAJ Articles
24
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
21
LeibnizOpen (The Leibniz Association)
19
PANGAEA - Data Publisher for Earth & Environmental Science
18
University of Tromsø: Munin Open Research Archive
18
Copernicus Publications: E-Journals
14
Natural Environment Research Council: NERC Open Research Archive
13
University of Southampton: e-Prints Soton
13
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
10
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
9
Institute for Marine Research: Brage IMR
9
Niedersächsisches Online-Archiv NOA
8
Institut national des sciences de l'Univers: HAL-INSU
6
Université de Nantes: HAL-UNIV-NANTES
6
GEO-LEOe-docs (FID GEO)
5
Norsk Polarinstitutt: Brage NP
5
Norwegian Polar Institute: Brage NP
5
University of Bergen: Bergen Open Research Archive (BORA-UiB)
5
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
4
University of East Anglia: UEA Digital Repository
4
University of Tromsø: Septentrio Academic Publishing
4
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Polar Research (E-Journal)
3
PubMed Central (PMC)
3
Université de Bretagne Occidentale: HAL
3
ARPI - Archivio della Ricerca dell'Università di Pisa
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
HELDA – University of Helsinki Open Repository
2
MDPI Open Access Publishing
2
NIOZ Repository (Royal Netherlands Institute for Sea Research)
2
National Research Council Canada: NRC Publications Archive
2
ScienceDirect (Elsevier - via Crossref)
2
Universitat de Lleida: Repositori Obert UdL
2
University of Alaska: ScholarWorks@UA
2
Apollo - University of Cambridge Repository
1
Archives ouvertes de Paris-Saclay
1
Arctic Portal Library
1
Cambridge University Press
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
DR-NTU (Digital Repository at Nanyang Technological University, Singapore)
1
Dalhousie University: DalSpace Institutional Repository
1
ETH Zürich Research Collection
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Edinburgh Research Archive (ERA - University of Edinburgh)
1
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
JPL Technical Report Server
1
Luleå University of Technology Publications (DiVA)
1
more ...