Content Provider
Arctic Data Center (via DataONE)
22
DataCite Metadata Store (German National Library of Science and Technology)
14
Directory of Open Access Journals: DOAJ Articles
9
PANGAEA - Data Publisher for Earth & Environmental Science
6
Utrecht University Repository
6
University of California: eScholarship
4
JPL Technical Report Server
2
Texas A&M University Digital Repository
2
University of Bristol: Bristol Research
2
University of Liège: ORBi (Open Repository and Bibliography)
2
Unknown
2
Zenodo
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Clark University: Clark Digital Commons
1
DSpace@IIT Bombay (Indian Institute of Technology)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Ice and Snow (E-Journal)
1
Institut national des sciences de l'Univers: HAL-INSU
1
KU Leuven: Lirias
1
MDPI Open Access Publishing
1
Masaryk University Journals
1
RI FURG (Repositório da Universidade Federal do Rio Grande)
1
Universidad de Chile: Captura
1
University College London: UCL Discovery
1
University of Memphis Digital Commons
1
Université Grenoble Alpes: HAL
1
Université de Nantes: HAL-UNIV-NANTES
1
Wageningen UR (University & Research Centre): Digital Library
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1