Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
53
DataCite Metadata Store (German National Library of Science and Technology)
30
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
25
Zenodo
7
Directory of Open Access Journals: DOAJ Articles
6
Copernicus Publications: E-Journals
5
Unknown
5
Niedersächsisches Online-Archiv NOA
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
3
De Gruyter (via Crossref)
2
Frontiers (Publisher)
2
Frontiers: Figshare
2
German Aerospace Center: elib - DLR electronic library
2
NTNU Open Archive (Norwegian University of Science and Technology)
2
Polar Research (E-Journal)
2
PubMed Central (PMC)
2
RePEc (Research Papers in Economics)
2
University of Tromsø: Munin Open Research Archive
2
Université de Nantes: HAL-UNIV-NANTES
2
ASM Journals (American Society for Microbiology - via Crossref)
1
Aarhus University: Research
1
Akademicka Platforma Czasopism
1
Akademicka Platforma Czasopism (APCZ)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Cambridge University Press
1
Canadian Science Publishing (via Crossref)
1
GEO-LEOe-docs (FID GEO)
1
HAL Lyon 1 (University Claude Bernard Lyon 1)
1
Hereon Publications (Helmholtz-Zentrum)
1
HighWire Press (Stanford University)
1
Høgskolen i Innlandet: Brage INN
1
INSA Lyon HAL (Institut National des Sciences Appliquées)
1
Inland Norway University of Applied Sciences: Brage INN
1
Irstea Publications et Bases documentaires (Irstea@doc/CemOA)
1
JYX - Jyväskylä University Digital Archive
1
LUTPub (LUT University)
1
MDPI Open Access Publishing
1
NORCE vitenarkiv (Norwegian Research Centre)
1
Natural Environment Research Council: NERC Open Research Archive
1
Nicolaus Copernicus University (UMK) Torun: RUM@K
1
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
1
Portail HAL - Ecole Centrale de Lyon
1
SINTEF Open (Brage)
1
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
1
University of Copenhagen: Research
1
University of Twente Publications
1
Université Grenoble Alpes: HAL
1
Université de Lyon: HAL
1