Content Provider
Oxford University Press (via Crossref)
549
Oxford University Press
218
University of California: eScholarship
119
Cambridge University Press (via Crossref)
37
University of California Press (via Crossref)
36
University of the Highlands and Islands: Research Database of UHI
32
Springer Nature (via Crossref)
29
Utrecht University Repository
24
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
19
University of California Press
19
DataCite Metadata Store (German National Library of Science and Technology)
18
The University of Queensland: UQ eSpace
16
Directory of Open Access Journals: DOAJ Articles
15
DRO - Deakin Research Online
10
Umeå University: Publications (DiVA)
10
Informa (via Crossref)
9
Griffith University: Griffith Research Online
8
Università degli Studi di Napoli "Parthenope": CINECA IRIS
8
Cambridge University Press
7
University of Liège: ORBi (Open Repository and Bibliography)
6
Università Politecnica delle Marche: IRIS
5
ARPI - Archivio della Ricerca dell'Università di Pisa
4
Aberdeen University Research Archive (AURA)
4
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
4
IRIS Università degli Studi di Palermo
4
Queen's University Belfast Research Portal
4
Technical University of Denmark: DTU Orbit
4
University of Hull: Repository@Hull
4
Università degli Studi di Ferrara: CINECA IRIS
4
Università degli Studi di Genova: CINECA IRIS
4
Columbia University: Academic Commons
3
DIAL@UCLouvain (Université catholique de Louvain)
3
DIAL@USL-B (Université Saint-Louis, Bruxelles)
3
Ghent University Academic Bibliography
3
IRIS Università degli Studi di Napoli Federico II
3
Karlstad University: Publications (DIVA)
3
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive
3
University College London: UCL Discovery
3
University of Calgary Journal Hosting
3
Archive Ouverte de l'Université Rennes (HAL)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Caltech Authors (California Institute of Technology)
2
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
2
Informa
2
Institut national des sciences de l'Univers: HAL-INSU
2
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
2
LIU - Linköping University: Publications (DiVA)
2
Portail HAL-ANR (Agence Nationale de la Recherche)
2
The Hong Kong University of Science and Technology: HKUST Institutional Repository
2
University of Leicester: Leicester Research Archive (LRA)
2
more ...