Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
13
Australian National University: ANU Digital Collections
6
PANGAEA - Data Publisher for Earth & Environmental Science
6
University of California: eScholarship
6
Directory of Open Access Journals: DOAJ Articles
5
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
5
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
4
MDPI Open Access Publishing
4
Digital Commons University of South Florida (USF)
3
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
3
NOVA: The University of Newcastle Research Online (Australia)
3
University of South Florida St. Petersburg: Digital USFSP
3
Archivio della ricerca dell'Università di Parma (CINECA IRIS)
2
Pamukkale University Repository
2
University of Minnesota Digital Conservancy
2
ARPI - Archivio della Ricerca dell'Università di Pisa
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
Digital Repository @ Iowa State University
1
Digital.CSIC (Spanish National Research Council)
1
Durham University: Durham e-Theses
1
GEO-LEOe-docs (FID GEO)
1
HELDA – University of Helsinki Open Repository
1
IRD (Institute de recherche pour le développement): Horizon
1
Lund University Publications (LUP)
1
Queen's University Belfast Research Portal
1
Stockholm University: Publications (DiVA)
1
Swedish Museum of Natural History: Publications (DiVA)
1
The University of Queensland: UQ eSpace
1
Union College: Digital Works
1
University of Bristol: Bristol Research
1
University of Innsbruck: Digital Library (Universitäts- und Landesbibliothek Tirol)
1
University of Nebraska-Lincoln: DigitalCommons@UNL
1
University of Nevada, Las Vegas: Digital Scholarship@UNLV
1
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
1
Université Grenoble Alpes: HAL
1
Université Savoie Mont Blanc: HAL
1
Unknown
1
Uppsala University: Publications (DiVA)
1
Vanderbilt University, Nashville: DiscoverArchive
1