Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
74
NOAA NCEI Environmental Data Archive (via DataONE)
2
Directory of Open Access Journals: DOAJ Articles
1
IEDA: EarthChem Library (via DataONE)
1
Keele University: Keele Research Repository
1
Nottingham Trent University's Institutional Repository (IRep)
1
The University of Nottingham: Nottingham ePrints
1
University College London: UCL Discovery
1
University of Nottingham: Repository@Nottingham
1
University of Southampton: e-Prints Soton
1
University of Washington, Seattle: Digital Collections
1
Washington State University: WSU Libraries Digital Collections
1
Wiley Online Library
1