Content Provider
Directory of Open Access Journals: DOAJ Articles
24
Unknown
12
Niedersächsisches Online-Archiv NOA
8
DataCite Metadata Store (German National Library of Science and Technology)
6
University of Alaska: ScholarWorks@UA
6
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
5
GEUS Bulletin (Geological Survey of Denmark and Greenland)
5
The University of Kansas: KU ScholarWorks
5
Technical University of Denmark: DTU Orbit
4
The University of Liverpool Repository
4
University of Bergen: Bergen Open Research Archive (BORA-UiB)
4
Utrecht University Repository
4
University of Bristol: Bristol Research
3
University of California: eScholarship
3
White Rose Research Online (Universities of Leeds, Sheffield & York)
3
Aarhus University: Research
2
Cambridge University Press
2
Digital Commons University of South Florida (USF)
2
Durham University: Durham Research Online
2
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
2
Natural Environment Research Council: NERC Open Research Archive
2
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
University of Glasgow: Enlighten - Publications
2
University of South Florida St. Petersburg: Digital USFSP
2
Apollo - University of Cambridge Repository
1
Carolina Digital Repository (UNC - University of North Carolina)
1
DSpace@MIT (Massachusetts Institute of Technology)
1
Digital.CSIC (Spanish National Research Council)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Frontiers (Publisher)
1
Lancaster University: Lancaster Eprints
1
Montana State University (MSU): ScholarWorks
1
ORA - Oxford University Research Archive
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
SAGE Publications
1
University of Southern Denmark Research Portal
1
University of Technology Sydney: OPUS - Open Publications of UTS Scholars
1
Zenodo
1