Content Provider
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
257
Directory of Open Access Journals: DOAJ Articles
71
DataCite
54
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
39
Wiley Online Library
37
Unknown
33
MédiHAL
27
Université Toulouse 2 - Jean Jaurès: HAL
27
Cambridge University Press
26
Université de Nantes: HAL-UNIV-NANTES
26
LeibnizOpen (The Leibniz Association)
23
Inta Digital (ID - Instituto Nacional de Tecnología Agropecuaria)
20
PANGAEA - Data Publisher for Earth & Environmental Science
19
PubMed Central (PMC)
18
Springer Nature (via Crossref)
18
DataCite Metadata Store (German National Library of Science and Technology)
17
Università degli Studi di Cagliari: UNICA IRIS
16
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
13
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
13
Magnolia press
12
Natural Environment Research Council: NERC Open Research Archive
11
Universidad de Chile: Repositorio académico
10
Institut national des sciences de l'Univers: HAL-INSU
8
Lund University Publications (LUP)
8
MDPI Open Access Publishing
8
University of Copenhagen: Research
8
University of St Andrews: Research Portal
8
ScienceDirect (Elsevier - via Crossref)
7
University of Groningen research database
7
BioOne Online Journals
6
Copernicus Publications: E-Journals
6
Ghent University Academic Bibliography
6
HighWire Press (Stanford University)
6
Niedersächsisches Online-Archiv NOA
6
Scientia Marina (E-Journal)
6
eCite UTAS (University of Tasmania)
6
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
5
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
5
Oxford University Press
5
Pontificia Universidad Católica de Chile: Repositorio UC
5
University of Bath's research portal
5
Archive Ouverte de l'Université Rennes (HAL)
4
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
4
Biodiversity Heritage Library (BHL)
4
German Aerospace Center: elib - DLR electronic library
4
Hathi Trust Digital Library
4
Oxford University Press (via Crossref)
4
The Royal Society
4
University of North Texas: UNT Digital Library
4
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
4
more ...