Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
387
DataCite Metadata Store (German National Library of Science and Technology)
322
Defense Technical Information Center: DTIC Technical Reports database
109
Unknown
42
Directory of Open Access Journals: DOAJ Articles
21
LeibnizOpen (The Leibniz Association)
20
University of Massachusetts: ScholarWorks@UMass Amherst
10
Research Data Australia (Australian National Data Service - ANDS)
9
Apollo - University of Cambridge Repository
7
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
Aarhus University: Research
6
Université de Nantes: HAL-UNIV-NANTES
6
Frontiers: Figshare
5
Gulf of Alaska Data Portal (via DataONE)
5
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
5
USGS Science Data Catalog (via DataONE)
5
University of Groningen research database
5
University of St Andrews: Research Portal
5
DRO - Deakin Research Online
4
Norwegian Institute for Nature Research: Brage NINA
4
BioMed Central
3
Institut national des sciences de l'Univers: HAL-INSU
3
MDPI Open Access Publishing
3
Technical University of Denmark: DTU Orbit
3
University College London: UCL Discovery
3
University of Nebraska-Lincoln: DigitalCommons@UNL
3
Washington State University: WSU Libraries Digital Collections
3
Zenodo
3
Croatian Digital Theses Repository (National and University Library in Zagreb)
2
Digital.CSIC (Spanish National Research Council)
2
Ghent University Academic Bibliography
2
KU VL (Klaipėdos universitetas Virtual Library)
2
Lund University Publications (LUP)
2
NOAA NCEI Environmental Data Archive (via DataONE)
2
Tokyo University of Agriculture Repository
2
University of Calgary Journal Hosting
2
University of KwaZulu-Natal: ResearchSpace at UKZN
2
University of Southern Denmark Research Portal
2
University of Tasmania: UTas ePrints
2
Université Grenoble Alpes: HAL
2
Utah State University: DigitalCommons@USU
2
Aalto University Publication Archive (Aaltodoc)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Boise State University: Scholar Works
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Digital Commons @ CSUMB (California State University, Monterey Bay)
1
GEO-LEOe-docs (FID GEO)
1
HAL - Université de La Rochelle
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
HELDA – University of Helsinki Open Repository
1
more ...