Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
16,063
PANGAEA - Data Publisher for Earth & Environmental Science
1,411
Unknown
378
Directory of Open Access Journals: DOAJ Articles
306
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
220
ScienceDirect (Elsevier - via Crossref)
206
Institut national des sciences de l'Univers: HAL-INSU
168
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
160
Université de Nantes: HAL-UNIV-NANTES
150
University College London: UCL Discovery
132
Copernicus Publications: E-Journals
125
The University of Milan: Archivio Istituzionale della Ricerca (AIR)
116
ScienceDirect (Elsevier)
104
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
103
Université de Genève: Archive ouverte UNIGE
99
Niedersächsisches Online-Archiv NOA
98
Zenodo
96
University of Southampton: e-Prints Soton
88
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
86
Cambridge University Press
83
Springer Nature (via Crossref)
82
Australian National University: ANU Digital Collections
79
Wiley Online Library
77
Cardiff University: ORCA (Online Research @ Cardiff)
72
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
69
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
67
HAL Sorbonne Université
62
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
61
PubMed Central (PMC)
61
Università degli Studi di Ferrara: CINECA IRIS
57
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
55
University of Bristol: Bristol Research
54
Utrecht University Repository
54
Wiley Online Library (via Crossref)
54
Aix-Marseille Université: HAL
51
JSTOR (via Crossref)
51
Collège de France: HAL
50
Archives ouvertes de Paris-Saclay
48
University of California: eScholarship
48
Vrije Universiteit Amsterdam (VU): Research Portal
47
Frontiers: Figshare
45
ORA - Oxford University Research Archive
44
University of Cambridge, Department of Earth Sciences: ESC Publications
43
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
40
NIOZ Repository (Royal Netherlands Institute for Sea Research)
39
Università degli Studi di Siena: USiena air
38
Sapienza Università di Roma: CINECA IRIS
37
Research Data Australia (Australian National Data Service - ANDS)
36
DergiPark Akademik (E-Journals)
35
Digital.CSIC (Spanish National Research Council)
35
more ...