Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,197
Defense Technical Information Center: DTIC Technical Reports database
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
SERPENT Media Archive (Scientific and Environmental ROV Partnership using Existing iNdustrial Technology)
2
Zenodo
2
Copernicus Publications: E-Journals
1
Directory of Open Access Journals: DOAJ Articles
1
MDPI Open Access Publishing
1
NOAA NCEI Environmental Data Archive (via DataONE)
1
Niedersächsisches Online-Archiv NOA
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
OpenAgrar (OA)
1
Polar Research (E-Journal)
1
Springer Nature (via Crossref)
1
USGS Science Data Catalog (via DataONE)
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
Unknown
1