Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
107
NOAA NCEI Environmental Data Archive (via DataONE)
13
PANGAEA - Data Publisher for Earth & Environmental Science
5
Institute for Marine Research: Brage IMR
4
Defense Technical Information Center: DTIC Technical Reports database
2
Digital.CSIC (Spanish National Research Council)
2
Directory of Open Access Journals: DOAJ Articles
2
KU VL (Klaipėdos universitetas Virtual Library)
2
NHH Brage Open institutional repository (Norwegian School of Economics)
2
University of Bergen: Bergen Open Research Archive (BORA-UiB)
2
University of California: eScholarship
2
University of Tromsø: Munin Open Research Archive
2
Unknown
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
EconStor (German National Library of Economics, ZBW)
1
Geological Quarterly
1
Ghent University Academic Bibliography
1
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
Max Planck Society: MPG.PuRe
1
Natural Environment Research Council: NERC Open Research Archive
1
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
1
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
1
The Winnower
1
UPF Digital Repository (Universitat Pompeu Fabra, Barcelona)
1
University of Calgary Journal Hosting
1
University of Tromsø: Septentrio Academic Publishing
1
Wageningen UR (University & Research Centre): Digital Library
1
Wiley Online Library
1