Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
572
Unknown
436
Directory of Open Access Journals: DOAJ Articles
368
Dryad Digital Repository (Duke University)
299
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
133
Zenodo
133
DataverseNO
128
Frontiers: Figshare
98
Université de Nantes: HAL-UNIV-NANTES
93
Defense Technical Information Center: DTIC Technical Reports database
86
University of Groningen research database
82
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
74
University of St Andrews: Research Portal
74
DataCite
66
Wageningen UR (University & Research Centre): Digital Library
58
PANGAEA - Data Publisher for Earth & Environmental Science
54
LeibnizOpen (The Leibniz Association)
50
The Royal Society: Figshare
50
HELDA – University of Helsinki Open Repository
47
MDPI Open Access Publishing
47
DRO - Deakin Research Online
46
Digital.CSIC (Spanish National Research Council)
41
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
41
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
37
Technical University of Denmark: DTU Orbit
36
Aarhus University: Research
34
KovsieScholar Repository (University of the Free State - UFS UV)
34
University of California: eScholarship
34
University of Tromsø: Septentrio Academic Publishing
34
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
33
Université de Montpellier: HAL
31
Utah State University: DigitalCommons@USU
29
Institut national des sciences de l'Univers: HAL-INSU
26
Natural Resources Institute Finland: Jukuri
26
PubMed Central (PMC)
26
Ghent University Academic Bibliography
24
The University of Queensland: UQ eSpace
24
University of Tromsø: Munin Open Research Archive
24
Portail HAL Institut Agro
23
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
21
EPHE (Ecole pratique des hautes études, Paris): HAL
21
University of North Texas: UNT Digital Library
21
Uppsala University: Publications (DiVA)
21
CyberLeninka (Scientific Electronic Library)
20
SINTEF Open (Brage)
19
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
18
theses.fr
18
BioMed Central
17
HAL - Université de La Rochelle
17
Høgskolen i Innlandet: Brage INN
17
more ...