Content Provider
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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)
9
Digital.CSIC (Spanish National Research Council)
56
Dipòsit Digital de la Universitat de Barcelona
3
Directory of Open Access Journals: DOAJ Articles
117
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
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: Figshare
3
GEO-LEOe-docs (FID GEO)
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
5
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
1
HAL de l'Institut Polytechnique de Paris
2
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
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
Hiroshima University: Institutional Repository (HiR)
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
3
IEDA: Marine-Geo Digital Library (via DataONE)
34
IEDA: US Antarctic Program Data Center (via DataONE)
14
IEEE Publications (via Crossref)
1
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
1
IOP Publishing
2
IRIS UNIPV (Università degli studi di Pavia)
1
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