Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
18
National Library of Australia: Digital Collections
8
Directory of Open Access Journals: DOAJ Articles
7
Research Data Australia (Australian National Data Service - ANDS)
6
NOAA NCEI Environmental Data Archive (via DataONE)
5
PANGAEA - Data Publisher for Earth & Environmental Science
5
Digital.CSIC (Spanish National Research Council)
4
IEDA: US Antarctic Program Data Center (via DataONE)
4
IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
3
MDPI Open Access Publishing
3
Zenodo
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
Frontiers (Publisher)
2
Institut national des sciences de l'Univers: HAL-INSU
2
Instituto Español de Oceanografía: e-IEO
2
KU Leuven: Lirias
2
Magnolia press
2
USGS Science Data Catalog (via DataONE)
2
University of Tasmania: UTas ePrints
2
Università degli Studi di Genova: CINECA IRIS
2
Aix-Marseille Université: HAL
1
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Auckland University of Technology: Tuwhera Open Research
1
Copernicus Publications: E-Journals
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Defense Technical Information Center: DTIC Technical Reports database
1
Digital Collections of Colorado (Colorado State University)
1
Dipòsit Digital de la Universitat de Barcelona
1
FAU Digital Collections (Florida Atlantic University Digital Library)
1
Florida State University: Publication of Archival Library & Museum Materials
1
Frontiers: Figshare
1
HAL Sorbonne Université
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
IRIS Università degli Studi di Napoli Federico II
1
Institute for Marine Research: Brage IMR
1
LillOA (HAL Lille Open Archive, Université de Lille)
1
Mountain Scholar (Digital Collections of Colorado and Wyoming)
1
NASA Technical Reports Server (NTRS)
1
Niedersächsisches Online-Archiv NOA
1
Old Dominion University: ODU Digital Commons
1
Padua Research Archive (IRIS - Università degli Studi di Padova)
1
Portail HAL-ANR (Agence Nationale de la Recherche)
1
Portal de Periódicos da UFRJ (Universidade Federal do Rio de Janeiro)
1
PubMed Central (PMC)
1
The University of Maine: DigitalCommons@UMaine
1
The University of Milan: Archivio Istituzionale della Ricerca (AIR)
1
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