Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
3,256
DataCite
343
DataCite Metadata Store (German National Library of Science and Technology)
201
Directory of Open Access Journals: DOAJ Articles
55
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
54
LeibnizOpen (The Leibniz Association)
38
Copernicus Publications: E-Journals
34
German Aerospace Center: elib - DLR electronic library
29
Unknown
29
Niedersächsisches Online-Archiv NOA
24
Natural Environment Research Council: NERC Open Research Archive
22
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
14
David Rumsey Historical Map Collection (Cartography Associates)
13
PubMed Central (PMC)
13
Texas Tech University: TTU DSpace Repository
13
AU Digital Research Archive (American University)
10
Zenodo
10
Utrecht University Repository
9
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
8
Université de Nantes: HAL-UNIV-NANTES
8
Cambridge University Press
7
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
7
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
7
National Institute of Polar Research Repository, Japan
7
Stockholm University Press
7
Ege University Institutional Repository
6
Institut national des sciences de l'Univers: HAL-INSU
6
Freie Universität Berlin: Refubium (FU Berlin)
5
KovsieScholar Repository (University of the Free State - UFS UV)
5
MDPI Open Access Publishing
5
Max Planck Society: MPG.PuRe
5
ScienceDirect (Elsevier - via Crossref)
5
Institutional Repository of Leibniz Universität Hannover
4
Research Data Australia (Australian National Data Service - ANDS)
4
Université Grenoble Alpes: HAL
4
Wageningen UR (University & Research Centre): Digital Library
4
Digital.CSIC (Spanish National Research Council)
3
National Library of Australia: Digital Collections
3
Springer Nature (via Crossref)
3
University of Groningen research database
3
Wiley Online Library
3
eCite UTAS (University of Tasmania)
3
Çukurova University Institutional Repository
3
Australian National University: ANU Digital Collections
2
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
2
Dialnet - Portada de revistas (Universidad de La Rioja)
2
Frontiers: Figshare
2
GEO-LEOe-docs (FID GEO)
2
Georg-August-Universität Göttingen: GOEDOC
2
Ghent University Academic Bibliography
2
more ...