Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
Apollo - University of Cambridge Repository
1
Directory of Open Access Journals: DOAJ Articles
1
Lund University Publications (LUP)
1
MDPI Open Access Publishing
1
Natural Environment Research Council: NERC Open Research Archive
1
ORA - Oxford University Research Archive
1
Polar Research (E-Journal)
1
University of Southampton: e-Prints Soton
1
University of St Andrews: Digital Research Repository
1
Wiley Online Library
1