Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,986
Unknown
11
Directory of Open Access Journals: DOAJ Articles
9
NASA Technical Reports Server (NTRS)
6
Research Data Australia (Australian National Data Service - ANDS)
6
Australian National University: ANU Digital Collections
4
eCite UTAS (University of Tasmania)
4
Copernicus Publications: E-Journals
3
Lincoln University (New Zealand): Lincoln U Research Archive
3
Natural Environment Research Council: NERC Open Research Archive
3
PubMed Central (PMC)
3
University of Calgary Journal Hosting
3
University of Canterbury, Christchurch: UC Research Repository
3
Università Politecnica delle Marche: IRIS
3
Università degli Studi di Napoli "Parthenope": CINECA IRIS
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Cambridge University Press
2
Claremont Colleges Digital Library (CCDL)
2
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
2
MDPI Open Access Publishing
2
Polar Research (E-Journal)
2
The University of Maine: DigitalCommons@UMaine
2
Università degli Studi di Siena: USiena air
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Xiamen University Institutional Repository
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
Columbia University: Academic Commons
1
Defense Technical Information Center: DTIC Technical Reports database
1
Digital.CSIC (Spanish National Research Council)
1
Dryad Digital Repository (Duke University)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
HAL - Université de La Rochelle
1
HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules)
1
HELDA – University of Helsinki Open Repository
1
IEDA: US Antarctic Program Data Center (via DataONE)
1
IRIS Università degli Studi di Palermo
1
Indian Academy of Sciences: Publication of Fellows
1
Institut national des sciences de l'Univers: HAL-INSU
1
Kristianstad University College: Publications (DiVA)
1
LillOA (HAL Lille Open Archive, Université de Lille)
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
National Institute of Polar Research Repository, Japan
1
Naturalis Digital Academic Repository (National Museum of Natural History in the Netherlands)
1
Naturalis Institutional Repository
1
Niedersächsisches Online-Archiv NOA
1
Ohio State University (OSU): Knowledge Bank
1
Open Access Victoria University of Wellington / Te Herenga Waka
1
Oxford Brookes University: RADAR (Research Archive)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
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