Content Provider
Copernicus Publications: E-Journals
10
PANGAEA - Data Publisher for Earth & Environmental Science
10
DataCite Metadata Store (German National Library of Science and Technology)
9
Directory of Open Access Journals: DOAJ Articles
8
Niedersächsisches Online-Archiv NOA
7
Borealis
6
Unknown
6
DataCite
5
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
5
Northumbria University, Newcastle: Northumbria Research Link (NRL)
5
University of Guelph: DSpace digital archive
3
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
2
Theses Canada/Thèses Canada (Library and Archives Canada)
2
Defense Technical Information Center: DTIC Technical Reports database
1
German Aerospace Center: elib - DLR electronic library
1
MDPI Open Access Publishing
1
Natural Environment Research Council: NERC Open Research Archive
1
University of Alaska: ScholarWorks@UA
1
University of Stirling: Stirling Digital Research Repository
1
University of Waterloo, Canada: Institutional Repository
1
Université de Sherbrooke: Savoirs UdeS
1
Wiley Online Library
1
Wilfrid Laurier University, Ontario: Scholars Commons@Laurier
1
heiDATA (Heidelberg University) Competence Centre for Research Data
1