Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,016
Hirsla - Landspítali University Hospital research archive
2,723
Directory of Open Access Journals: DOAJ Articles
2,440
ScienceDirect (Elsevier - via Crossref)
1,375
University of Iceland: Peer Reviewed Journals
1,254
Opin vísindi (Iceland)
1,236
Unknown
1,029
Wiley Online Library (via Crossref)
917
Springer Nature (via Crossref)
805
Wiley Online Library
771
Informa (via Crossref)
695
RePEc (Research Papers in Economics)
685
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
600
Cambridge University Press
568
University of Copenhagen: Research
418
Oxford University Press (via Crossref)
411
Université de Nantes: HAL-UNIV-NANTES
369
SAGE Publications (via Crossref)
356
Skemman (Iceland)
355
Institut national des sciences de l'Univers: HAL-INSU
353
Aarhus University: Research
334
ScienceDirect (Elsevier)
277
LeibnizOpen (The Leibniz Association)
272
Zenodo
258
Lund University Publications (LUP)
256
Natural Environment Research Council: NERC Open Research Archive
233
Informa
230
JSTOR (via Crossref)
213
Niedersächsisches Online-Archiv NOA
212
Oxford University Press
210
University of Southampton: e-Prints Soton
198
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
189
University College London: UCL Discovery
175
SAGE Publications
169
University of Cambridge, Department of Earth Sciences: ESC Publications
154
University of California: eScholarship
147
Apollo - University of Cambridge Repository
144
Caltech Authors (California Institute of Technology)
136
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
133
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
131
University of Bergen: Bergen Open Research Archive (BORA-UiB)
128
HAL Sorbonne Université
125
ORA - Oxford University Research Archive
120
University of Southern Denmark Research Portal
112
Digital.CSIC (Spanish National Research Council)
111
White Rose Research Online (Universities of Leeds, Sheffield & York)
111
King's College, London: Research Portal
109
Frontiers (Publisher)
108
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
108
University of St Andrews: Research Portal
106
more ...