Content Provider
Directory of Open Access Journals: DOAJ Articles
9
Copernicus Publications: E-Journals
7
DataCite Metadata Store (German National Library of Science and Technology)
5
Niedersächsisches Online-Archiv NOA
5
Unknown
5
PANGAEA - Data Publisher for Earth & Environmental Science
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Cambridge University Press
3
Université Grenoble Alpes: HAL
3
Utrecht University Repository
3
Université de Nantes: HAL-UNIV-NANTES
2
BORIS (Bern Open Repository and Information System, University of Bern)
1
Cologne University: KUPS
1
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
HighWire Press (Stanford University)
1
KU Leuven: Lirias
1
Natural Environment Research Council: NERC Open Research Archive
1
PuSH - Publikationsserver des Helmholtz Zentrums München
1
PubMed Central (PMC)
1
Springer Nature (via Crossref)
1
University of Groningen research database
1
University of Innsbruck: Digital Library (Universitäts- und Landesbibliothek Tirol)
1
University of Tromsø: Munin Open Research Archive
1
Université de Paris: Portail HAL
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1
eCite UTAS (University of Tasmania)
1