Content Provider
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DataCite Metadata Store (German National Library of Science and Technology)
3,086
DataSpace at Princeton University
1
David Rumsey Historical Map Collection (Cartography Associates)
1
De Gruyter (via Crossref)
2
Defense Technical Information Center: DTIC Technical Reports database
6
Delft University of Technology: Institutional Repository
3
Dialnet - Portada de revistas (Universidad de La Rioja)
1
Digital Collections of Colorado (Colorado State University)
1
Digital Commons University of South Florida (USF)
10
Digital.CSIC (Spanish National Research Council)
56
Dipòsit Digital de la Universitat de Barcelona
2
Directory of Open Access Books (DOAB)
1
Directory of Open Access Journals: DOAJ Articles
118
Document Server@UHasselt (Hasselt University)
1
Dokuz Eylül University Research Information System
1
Dresden University of Technology: Qucosa
1
Dryad Digital Repository (Duke University)
6
Duke University Libraries: DukeSpace
1
Durham University: Durham Research Online
10
Durham University: Durham e-Theses
1
ENSTA ParisTech, Université Paris-Saclay: HAL (École Nationale Supérieure de Techniques Avancées)
1
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
1
EPHE (Ecole pratique des hautes études, Paris): HAL
1
ESA Data Registry (via DataONE)
4
ETH Zürich Research Collection
4
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Electronic Theses of LMU Munich (Ludwig-Maximilians-Universität)
1
FAU Digital Collections (Florida Atlantic University Digital Library)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
37
Florida State University Digital Library (FSUDL)
3
Florida State University: DigiNole Commons
1
Florida State University: Publication of Archival Library & Museum Materials
2
Frontiers (Publisher)
2
Frontiers: Figshare
4
GEO-LEOe-docs (FID GEO)
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
5
Geological Quarterly
1
Georg-August-Universität Göttingen: GOEDOC
3
German Aerospace Center: elib - DLR electronic library
2
Ghent University Academic Bibliography
13
Griffith University: Griffith Research Online
1
HAL Sorbonne Université
7
HAL de l'Institut Polytechnique de Paris
3
HAL e2s UPPA (Université de Pau et des Pays de l'Adour)
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
5
HELDA – University of Helsinki Open Repository
4
Harvard Dataverse
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
Harvard University: Harvard Collections
1
HighWire Press (Stanford University)
8
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