Content Provider
LeibnizOpen (The Leibniz Association)
20
Directory of Open Access Journals: DOAJ Articles
16
Niedersächsisches Online-Archiv NOA
7
Unknown
5
DataCite Metadata Store (German National Library of Science and Technology)
4
Aarhus University: Research
3
Caltech Authors (California Institute of Technology)
3
Cambridge University Press
3
Durham University: Durham Research Online
3
Wiley Online Library
3
Apollo - University of Cambridge Repository
2
IRIS Università degli Studi di Perugia
2
University College London: UCL Discovery
2
University of Bristol: Bristol Research
2
University of Calgary Journal Hosting
2
University of Nottingham: Repository@Nottingham
2
University of St Andrews: Research Portal
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
Aalborg University's Research Portal
1
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Arctic Portal Library
1
Carleton University's Institutional Repository
1
Columbia University: Academic Commons
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
ETH Zürich Research Collection
1
GEO-LEOe-docs (FID GEO)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
German Aerospace Center: elib - DLR electronic library
1
Ghent University Academic Bibliography
1
HELDA – University of Helsinki Open Repository
1
Høgskulen på Vestlandet: HVL Open
1
IRUA - Institutional Repository van de Universiteit Antwerpen
1
Institut national des sciences de l'Univers: HAL-INSU
1
LaCRIS - University of Lapland Current Research System
1
Lancaster University: Lancaster Eprints
1
Liverpool John Moores University: LJMU Research Online
1
Masaryk University Journals
1
Munipress - Masaryk University Press
1
Météo-France: HAL
1
NILU – Norwegian Institute for Air Research: NILU Brage
1
Newcastle University Library ePrints Service
1
Nicolaus Copernicus University (UMK) Torun: RUM@K
1
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Polar Research (E-Journal)
1
PubMed Central (PMC)
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
SAGE Publications
1
more ...