Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,672
PANGAEA - Data Publisher for Earth & Environmental Science
2,546
Directory of Open Access Journals: DOAJ Articles
1,593
Unknown
956
University of Tromsø: Munin Open Research Archive
795
Copernicus Publications: E-Journals
623
ScienceDirect (Elsevier - via Crossref)
572
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
527
LeibnizOpen (The Leibniz Association)
461
Niedersächsisches Online-Archiv NOA
448
Springer Nature (via Crossref)
412
Institut national des sciences de l'Univers: HAL-INSU
378
Cambridge University Press
352
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
339
Université de Nantes: HAL-UNIV-NANTES
320
Wiley Online Library
311
PubMed Central (PMC)
309
NTNU Open Archive (Norwegian University of Science and Technology)
299
Polar Research (E-Journal)
299
Norsk Polarinstitutt: Brage NP
284
Wiley Online Library (via Crossref)
278
Norwegian Polar Institute: Brage NP
273
Aarhus University: Research
269
University of Bergen: Bergen Open Research Archive (BORA-UiB)
264
Zenodo
235
Informa (via Crossref)
234
MDPI Open Access Publishing
183
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
157
National Institute of Polar Research Repository, Japan
153
University of Copenhagen: Research
153
Institute for Marine Research: Brage IMR
135
DataverseNO
126
ScienceDirect (Elsevier)
113
HAL Sorbonne Université
104
University of Tromsø: Septentrio Academic Publishing
104
Uppsala University: Publications (DiVA)
100
Natural Environment Research Council: NERC Open Research Archive
87
Open archive Norwegian University of Life Sciences: Brage NMBU
87
NILU – Norwegian Institute for Air Research: NILU Brage
86
University of Groningen research database
84
University of the Highlands and Islands: Research Database of UHI
82
Apollo - University of Cambridge Repository
78
University of Southampton: e-Prints Soton
76
Archives ouvertes de Paris-Saclay
74
Lund University Publications (LUP)
74
Polar Research
74
HighWire Press (Stanford University)
71
Jagiellonian University Repository
70
Université Grenoble Alpes: HAL
70
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
70
more ...