Content Provider
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Charles University CU Digital repository
2
Clark University: Clark Digital Commons
1
Collège de France: HAL
11
Cologne University: KUPS
14
Columbia University: Academic Commons
15
Copernicus Publications: E-Journals
298
Cranfield University: Collection of E-Research - CERES
1
Curtin University: espace
62
CyberLeninka (Scientific Electronic Library)
2
Czech Academy of Sciences: dKNAV
3
DESY Publication Database (PUBDB)
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
78
DIAL@UCLouvain (Université catholique de Louvain)
22
DIAL@USL-B (Université Saint-Louis, Bruxelles)
27
DIGIBUG: Repositorio Institucional de la Universidad de Granada
6
DORA Eawag
3
DRO - Deakin Research Online
10
DSpace@BEÜ - Zonguldak Bülent Ecevit University Institutional Repository
1
DSpace@IIT Bombay (Indian Institute of Technology)
3
Dartmouth Digital Commons (Dartmouth College)
2
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
21
DataCite
26
DataCite Metadata Store (German National Library of Science and Technology)
2,582
DataSpace at Princeton University
1
De Gruyter
2
De Gruyter (via Crossref)
6
Defense Technical Information Center: DTIC Technical Reports database
7
Delft University of Technology: Institutional Repository
18
DergiPark Akademik (E-Journals)
1
Dialnet - Portada de revistas (Universidad de La Rioja)
1
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
3
Digital Collections of Colorado (Colorado State University)
4
Digital Commons University of South Florida (USF)
18
Digital Library Thüringen
1
Digital Repository of Scientific Institutes (RCIN)
2
Digital.CSIC (Spanish National Research Council)
44
Directory of Open Access Books (DOAB)
1
Directory of Open Access Journals: DOAJ Articles
727
Doklady of the National Academy of Sciences of Belarus (E-Journal)
1
Dresden University of Technology: Qucosa
2
Dryad Digital Repository (Duke University)
12
Durham University: Durham Research Online
42
Durham University: Durham e-Theses
9
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
5
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
39
EPHE (Ecole pratique des hautes études, Paris): HAL
6
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
10
ETH Zürich Research Collection
9
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
46
Eberhard Karls University Tübingen: Publication System
3
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