Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
88
Directory of Open Access Journals: DOAJ Articles
18
Unknown
13
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
13
Defense Technical Information Center: DTIC Technical Reports database
9
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
8
Aarhus University: Research
6
Copernicus Publications: E-Journals
6
Xiamen University Institutional Repository
6
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
5
Archives ouvertes de Paris-Saclay
5
HAL Sorbonne Université
5
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
5
Muséum National d'Histoire Naturelle (MNHM): HAL
5
Université de Nantes: HAL-UNIV-NANTES
5
Université de Paris: Portail HAL
5
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
5
École Polytechnique, Université Paris-Saclay: HAL
5
Arctic Portal Library
4
HAL de l'Institut Polytechnique de Paris
4
Niedersächsisches Online-Archiv NOA
4
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
4
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
4
University of Tromsø: Munin Open Research Archive
4
MDPI Open Access Publishing
3
National Institute of Polar Research Repository, Japan
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
PubMed Central (PMC)
3
Stockholm University: Publications (DiVA)
3
University of Alaska: ScholarWorks@UA
3
DSpace@MIT (Massachusetts Institute of Technology)
2
ETH Zürich Research Collection
2
Hereon Publications (Helmholtz-Zentrum)
2
Institute for Marine Research: Brage IMR
2
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
2
Natural Environment Research Council: NERC Open Research Archive
2
ScholarsArchive@OSU (Oregon State University)
2
University of Calgary Journal Hosting
2
University of Southampton: e-Prints Soton
2
University of Tasmania: UTas ePrints
2
ASM Journals (American Society for Microbiology)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Dipòsit Digital de la Universitat de Barcelona
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Ghent University Academic Bibliography
1
Guangzhou Institute of Geochemistry: GIG OpenIR (Chinese Academy of Sciences)
1
Institut national des sciences de l'Univers: HAL-INSU
1
Kyoto University Research Information Repository (KURENAI)
1
Lancaster University: Lancaster Eprints
1
NAOSITE: Nagasaki University Academic Output SITE
1
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