Content Provider
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
8
DataCite Metadata Store (German National Library of Science and Technology)
5
Digital.CSIC (Spanish National Research Council)
2
Frontiers (Publisher)
2
Max Planck Society: MPG.PuRe
2
University College London: UCL Discovery
2
Caltech Authors (California Institute of Technology)
1
Digital Commons University of South Florida (USF)
1
Dryad Digital Repository (Duke University)
1
IOP Publishing
1
Indian Academy of Sciences: Publication of Fellows
1
NORA (National aggregator of open repositories of Russian universities)
1
Natural Environment Research Council: NERC Open Research Archive
1
Old Dominion University: ODU Digital Commons
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
RePEc (Research Papers in Economics)
1
University of California: eScholarship
1
University of East Anglia: UEA Digital Repository
1
University of South Florida St. Petersburg: Digital USFSP
1
University of Southern Queensland: USQ ePrints
1