Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
3,978
DataCite Metadata Store (German National Library of Science and Technology)
1,168
Unknown
392
Directory of Open Access Journals: DOAJ Articles
379
Springer Nature (via Crossref)
266
Natural Environment Research Council: NERC Open Research Archive
202
Cambridge University Press
201
Copernicus Publications: E-Journals
197
ScienceDirect (Elsevier - via Crossref)
191
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
158
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
156
eCite UTAS (University of Tasmania)
140
Niedersächsisches Online-Archiv NOA
139
Wiley Online Library (via Crossref)
132
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
116
Institut national des sciences de l'Univers: HAL-INSU
110
ScienceDirect (Elsevier)
106
PubMed Central (PMC)
97
Université de Nantes: HAL-UNIV-NANTES
92
Digital.CSIC (Spanish National Research Council)
82
HAL Sorbonne Université
68
University of Southampton: e-Prints Soton
67
University of Groningen research database
61
LeibnizOpen (The Leibniz Association)
60
University of St Andrews: Research Portal
60
National Institute of Polar Research Repository, Japan
59
University of Tasmania: UTas ePrints
57
Wiley Online Library
57
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
55
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
54
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
52
Muséum National d'Histoire Naturelle (MNHM): HAL
52
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
49
Université de Paris: Portail HAL
49
École Polytechnique, Université Paris-Saclay: HAL
49
Magnolia press
48
HighWire Press (Stanford University)
42
Archives ouvertes de Paris-Saclay
41
University of East Anglia: UEA Digital Repository
40
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
38
University of Liège: ORBi (Open Repository and Bibliography)
38
Max Planck Society: MPG.PuRe
36
Ghent University Academic Bibliography
35
Defense Technical Information Center: DTIC Technical Reports database
34
DIAL@USL-B (Université Saint-Louis, Bruxelles)
33
MDPI Open Access Publishing
31
University of Bergen: Bergen Open Research Archive (BORA-UiB)
31
Informa (via Crossref)
30
DIAL@UCLouvain (Université catholique de Louvain)
28
Macquarie University Research Portal
28
more ...