Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
3,065
DataCite Metadata Store (German National Library of Science and Technology)
19
Directory of Open Access Journals: DOAJ Articles
4
Copernicus Publications: E-Journals
3
Utrecht University Repository
3
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
2
Niedersächsisches Online-Archiv NOA
2
Unknown
2
Wiley Online Library
2
AAAS Resource Center (American Association for the Advancement of Science - via Crossref)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
Cambridge University Press
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
GEO-LEOe-docs (FID GEO)
1
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Georg-August-Universität Göttingen: GOEDOC
1
Journal of large-scale research facilities (JLSRF)
1
National Institute of Polar Research Repository, Japan
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
Université de Nantes: HAL-UNIV-NANTES
1