Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
3,394
Directory of Open Access Journals: DOAJ Articles
3,044
Unknown
2,957
Cambridge University Press
1,569
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1,210
PANGAEA - Data Publisher for Earth & Environmental Science
1,207
Copernicus Publications: E-Journals
1,055
Springer Nature (via Crossref)
1,025
Natural Environment Research Council: NERC Open Research Archive
1,012
PubMed Central (PMC)
993
eCite UTAS (University of Tasmania)
946
ScienceDirect (Elsevier - via Crossref)
839
Institut national des sciences de l'Univers: HAL-INSU
831
Université de Nantes: HAL-UNIV-NANTES
825
National Institute of Polar Research Repository, Japan
813
LeibnizOpen (The Leibniz Association)
798
Niedersächsisches Online-Archiv NOA
729
Wiley Online Library (via Crossref)
526
Wiley Online Library
525
University of Tasmania: UTas ePrints
469
MDPI Open Access Publishing
450
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
416
University of Canterbury, Christchurch: UC Research Repository
390
HAL Sorbonne Université
388
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
370
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
344
ScienceDirect (Elsevier)
313
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
308
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
292
HighWire Press (Stanford University)
274
Informa (via Crossref)
270
Digital.CSIC (Spanish National Research Council)
267
Defense Technical Information Center: DTIC Technical Reports database
266
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
253
Zenodo
251
University of Southampton: e-Prints Soton
241
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
240
University of Liège: ORBi (Open Repository and Bibliography)
239
Université Grenoble Alpes: HAL
233
Utrecht University Repository
212
École Polytechnique, Université Paris-Saclay: HAL
204
Archives ouvertes de Paris-Saclay
202
Muséum National d'Histoire Naturelle (MNHM): HAL
191
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
189
Université de Paris: Portail HAL
176
Università degli Studi di Genova: CINECA IRIS
149
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
146
University of Bristol: Bristol Research
145
The University of Queensland: UQ eSpace
141
The Royal Society (via Crossref)
140
more ...