Content Provider
Central Washington University: ScholarWorks
10
DataCite Metadata Store (German National Library of Science and Technology)
4
Natural Environment Research Council: NERC Open Research Archive
4
Columbia University: Academic Commons
2
Directory of Open Access Journals: DOAJ Articles
2
Durham University: Durham Research Online
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Imperial College London: Spiral
2
Indiana University - Purdue University Indianapolis: IUPUI Scholar Works
2
The University of Waikato: Research Commons
2
Unknown
2
White Rose Research Online (Universities of Leeds, Sheffield & York)
2
Annals of Geophysics (INGV, Istituto Nazionale di Geofisica e Vulcanologia)
1
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
Guangzhou Institute of Geochemistry: GIG OpenIR (Chinese Academy of Sciences)
1
HighWire Press (Stanford University)
1
JPL Technical Report Server
1
NASA Technical Reports Server (NTRS)
1
The University of Maine: DigitalCommons@UMaine
1
University of Alabama Institutional Repository
1
University of California: eScholarship
1
University of Hong Kong: HKU Scholars Hub
1
University of St Andrews: Research Portal
1
University of Tasmania: UTas ePrints
1
University of Victoria (Canada): UVicDSpace
1
University of Waterloo, Canada: Institutional Repository
1
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
1
Università degli Studi di Genova: CINECA IRIS
1
Università degli Studi di Siena: USiena air
1
Washington University St. Louis: Open Scholarship
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1