Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
112
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
15
University of California: eScholarship
15
Aarhus University: Research
8
University of Copenhagen: Research
6
Springer Nature (via Crossref)
5
Wiley Online Library
4
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
3
Open archive Norwegian University of Life Sciences: Brage NMBU
3
Wiley Online Library (via Crossref)
3
Copernicus Publications: E-Journals
2
HELDA – University of Helsinki Open Repository
2
JYX - Jyväskylä University Digital Archive
2
Qatar University: QU Institutional Repository
2
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive
2
University of Basel: edoc
2
University of Tromsø: Munin Open Research Archive
2
Vrije Universiteit Amsterdam (VU): Research Portal
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Archives ouvertes de Paris-Saclay
1
Canadian Science Publishing
1
Digital.CSIC (Spanish National Research Council)
1
ETH Zürich Research Collection
1
Florida International University: Digital Commons@FIU
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
IOP Publishing
1
IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
1
Informa
1
Institut national des sciences de l'Univers: HAL-INSU
1
Lund University Publications (LUP)
1
Natural Resources Institute Finland: Jukuri
1
Niedersächsisches Online-Archiv NOA
1
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
1
PubMed Central (PMC)
1
The Hong Kong University of Science and Technology: HKUST Institutional Repository
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
Université de Lausanne (UNIL): Serval - Serveur académique lausannois
1
Université de Nantes: HAL-UNIV-NANTES
1
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
1
Unknown
1
Wageningen UR (University & Research Centre): Digital Library
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1
Zenodo
1