Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
1,219
DataCite Metadata Store (German National Library of Science and Technology)
615
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
120
The Library of Congress: American Memory
120
Research Data Australia (Australian National Data Service - ANDS)
62
Unknown
56
USGS Science Data Catalog (via DataONE)
54
Directory of Open Access Journals: DOAJ Articles
25
HighWire Press (Stanford University)
22
Digital Library of Jelenia Góra (Grodzka Biblioteka Publiczna Jelenia Gora)
13
Zenodo
13
Bialska Digital Library (BBC)
9
Royal Holloway University of London: Royal Holloway Digital Repository
9
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
Dryad Digital Repository (Duke University)
7
Charles University CU Digital repository
6
Defense Technical Information Center: DTIC Technical Reports database
6
PRISM - University of Calgary Digital Repository
6
UQAM - Université du Québec à Montréal: archipel
6
Research Institute Nature and Forest: Research outputs
5
University of Colorado Boulder, Law School: Scholarly Commons
5
University of Malta: OAR@UM
5
University of St Andrews: Research Portal
5
Université Laval: CorpusUL
5
Arca (BC's Digital Treasures)
4
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
4
MDPI Open Access Publishing
4
Ohio State University (OSU): Knowledge Bank
4
UNBC's Digital Institutional Repository (University of Northern British Columbia)
4
Aarhus University: Research
3
Digital.CSIC (Spanish National Research Council)
3
Doria (National Library of Finland)
3
Estonian University of Life Sciences: DSpace
3
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources)
3
Ghent University Academic Bibliography
3
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
3
LSRC VL (Lithuanian Social Research Centre Virtual Library)
3
NOAA NCEI Environmental Data Archive (via DataONE)
3
Research Workspace (via DataONE)
3
Skemman (Iceland)
3
Theses Canada/Thèses Canada (Library and Archives Canada)
3
University of Calgary Journal Hosting
3
University of Liège: ORBi (Open Repository and Bibliography)
3
Université de Nantes: HAL-UNIV-NANTES
3
Apollo - University of Cambridge Repository
2
Biblioteca Virtual de Defensa (BVD - Ministerio de Defensa de España)
2
Bilkent University: Institutional Repository
2
CESSDA DC Data Catalogue (Consortium of European Social Science Data Archives)
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
2
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