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
Wiley Online Library
1,521
University of Iceland: Peer Reviewed Journals
1,255
Opin vísindi (Iceland)
1,248
ScienceDirect (Elsevier - via Crossref)
1,124
Unknown
1,029
Springer Nature (via Crossref)
805
RePEc (Research Papers in Economics)
685
Informa (via Crossref)
660
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
600
Cambridge University Press
583
ScienceDirect (Elsevier)
533
University of Copenhagen: Research
422
Oxford University Press (via Crossref)
382
Université de Nantes: HAL-UNIV-NANTES
369
Skemman (Iceland)
355
Institut national des sciences de l'Univers: HAL-INSU
353
Aarhus University: Research
339
Wiley Online Library (via Crossref)
332
SAGE Publications (via Crossref)
325
LeibnizOpen (The Leibniz Association)
272
Informa
270
Zenodo
258
Lund University Publications (LUP)
256
Oxford University Press
240
Natural Environment Research Council: NERC Open Research Archive
234
Niedersächsisches Online-Archiv NOA
215
JSTOR (via Crossref)
211
SAGE Publications
205
University of Southampton: e-Prints Soton
198
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
189
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
145
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
126
ORA - Oxford University Research Archive
120
University of Southern Denmark Research Portal
116
Digital.CSIC (Spanish National Research Council)
113
King's College, London: Research Portal
112
White Rose Research Online (Universities of Leeds, Sheffield & York)
111
Frontiers (Publisher)
109
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
108
University of St Andrews: Research Portal
107
more ...