Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
3,057
DataCite Metadata Store (German National Library of Science and Technology)
296
Directory of Open Access Journals: DOAJ Articles
20
LeibnizOpen (The Leibniz Association)
20
German Aerospace Center: elib - DLR electronic library
18
Copernicus Publications: E-Journals
14
Niedersächsisches Online-Archiv NOA
11
Texas Tech University: TTU DSpace Repository
10
Unknown
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
PubMed Central (PMC)
4
ScienceDirect (Elsevier - via Crossref)
4
National Institute of Polar Research Repository, Japan
3
Natural Environment Research Council: NERC Open Research Archive
3
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
Institutional Repository of Leibniz Universität Hannover
2
KU Leuven: Lirias
2
MDPI Open Access Publishing
2
PuSH - Publikationsserver des Helmholtz Zentrums München
2
University of Innsbruck: Digital Library (Universitäts- und Landesbibliothek Tirol)
2
Université Grenoble Alpes: HAL
2
Université de Nantes: HAL-UNIV-NANTES
2
Utrecht University Repository
2
Wageningen UR (University & Research Centre): Digital Library
2
BORIS (Bern Open Repository and Information System, University of Bern)
1
Cambridge University Press
1
De Gruyter (via Crossref)
1
Defense Technical Information Center: DTIC Technical Reports database
1
Delft University of Technology: Institutional Repository
1
HighWire Press (Stanford University)
1
Institut national des sciences de l'Univers: HAL-INSU
1
Journal of large-scale research facilities (JLSRF)
1
Polar Research (E-Journal)
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
Schweizerbart Science Publishers (via Crossref)
1
Springer Nature (via Crossref)
1
Stockholm University Press
1
Stockholm University Press (via Crossref)
1
University of Tromsø: Munin Open Research Archive
1
Wiley Online Library
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1
York University, Toronto: YorkSpace
1
Zenodo
1