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)
1,246
Unknown
1,029
Wiley Online Library (via Crossref)
917
Springer Nature (via Crossref)
805
Wiley Online Library
771
RePEc (Research Papers in Economics)
685
Informa (via Crossref)
684
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
600
Cambridge University Press
573
University of Copenhagen: Research
418
Oxford University Press (via Crossref)
401
Université de Nantes: HAL-UNIV-NANTES
369
Skemman (Iceland)
355
Institut national des sciences de l'Univers: HAL-INSU
353
SAGE Publications (via Crossref)
342
Aarhus University: Research
335
ScienceDirect (Elsevier)
277
LeibnizOpen (The Leibniz Association)
272
Zenodo
258
Lund University Publications (LUP)
256
Informa
244
Natural Environment Research Council: NERC Open Research Archive
234
Oxford University Press
221
Niedersächsisches Online-Archiv NOA
213
JSTOR (via Crossref)
212
University of Southampton: e-Prints Soton
198
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
189
SAGE Publications
187
University College London: UCL Discovery
175
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)
134
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
114
Digital.CSIC (Spanish National Research Council)
112
White Rose Research Online (Universities of Leeds, Sheffield & York)
111
King's College, London: Research Portal
110
Frontiers (Publisher)
108
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
108
University of St Andrews: Research Portal
107
more ...