Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
81
DataCite Metadata Store (German National Library of Science and Technology)
80
Natural Environment Research Council: NERC Open Research Archive
55
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
48
LeibnizOpen (The Leibniz Association)
20
Digital Commons University of South Florida (USF)
10
University of South Florida St. Petersburg: Digital USFSP
10
ScienceDirect (Elsevier - via Crossref)
8
Copernicus Publications: E-Journals
7
Niedersächsisches Online-Archiv NOA
5
Northumbria University, Newcastle: Northumbria Research Link (NRL)
5
Unknown
4
ETH Zürich Research Collection
3
PubMed Central (PMC)
3
Rice University: Digital Scholarship Archive
3
Springer Nature (via Crossref)
3
University of Cambridge, Department of Earth Sciences: ESC Publications
3
Cologne University: KUPS
2
Durham University: Durham Research Online
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
The Open University: Open Research Online (ORO)
2
Utrecht University Repository
2
Anglia Ruskin University: Anglia Ruskin Research Online (ARRO)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Columbia University: Academic Commons
1
EPHE (Ecole pratique des hautes études, Paris): HAL
1
Ghent University Academic Bibliography
1
Institut national des sciences de l'Univers: HAL-INSU
1
James Cook University, Australia: ResearchOnline@JCU
1
Lancaster University: Lancaster Eprints
1
Lund University Publications (LUP)
1
Montclair State University Digital Commons
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of Southampton: e-Prints Soton
1
University of Tromsø: Munin Open Research Archive
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Université de Nantes: HAL-UNIV-NANTES
1