Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
53
University of Calgary Journal Hosting
9
Directory of Open Access Journals: DOAJ Articles
8
University of Alaska: ScholarWorks@UA
8
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
8
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
6
Unknown
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Archives ouvertes de Paris-Saclay
3
HAL Sorbonne Université
3
HAL de l'Institut Polytechnique de Paris
3
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
3
MDPI Open Access Publishing
3
Muséum National d'Histoire Naturelle (MNHM): HAL
3
Université de Nantes: HAL-UNIV-NANTES
3
Université de Paris: Portail HAL
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
École Polytechnique, Université Paris-Saclay: HAL
3
Borealis
2
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
2
Stockholm University: Publications (DiVA)
2
University of Maryland: Digital Repository (DRUM)
2
University of Tasmania: UTas ePrints
2
University of Tromsø: Munin Open Research Archive
2
University of Washington, Seattle: ResearchWorks
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Guangzhou Institute of Geochemistry: GIG OpenIR (Chinese Academy of Sciences)
1
Institut national des sciences de l'Univers: HAL-INSU
1
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
1
Kyoto University Research Information Repository (KURENAI)
1
NAOSITE: Nagasaki University Academic Output SITE
1
Naval Postgraduate School: Calhoun
1
OpenAgrar (OA)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Xiamen University Institutional Repository
1