Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
2,528
DataCite Metadata Store (German National Library of Science and Technology)
2,347
Directory of Open Access Journals: DOAJ Articles
1,581
Unknown
933
University of Tromsø: Munin Open Research Archive
784
Copernicus Publications: E-Journals
621
ScienceDirect (Elsevier - via Crossref)
572
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
520
Niedersächsisches Online-Archiv NOA
445
LeibnizOpen (The Leibniz Association)
436
Springer Nature (via Crossref)
412
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
339
Université de Nantes: HAL-UNIV-NANTES
314
Cambridge University Press
310
PubMed Central (PMC)
304
Polar Research (E-Journal)
298
NTNU Open Archive (Norwegian University of Science and Technology)
294
Norsk Polarinstitutt: Brage NP
284
Norwegian Polar Institute: Brage NP
273
University of Bergen: Bergen Open Research Archive (BORA-UiB)
261
Institut national des sciences de l'Univers: HAL-INSU
256
Wiley Online Library (via Crossref)
243
Aarhus University: Research
242
Zenodo
229
Informa (via Crossref)
223
MDPI Open Access Publishing
183
Wiley Online Library
169
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
155
National Institute of Polar Research Repository, Japan
153
Institute for Marine Research: Brage IMR
130
ScienceDirect (Elsevier)
113
University of Tromsø: Septentrio Academic Publishing
104
University of Copenhagen: Research
103
Uppsala University: Publications (DiVA)
99
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
Apollo - University of Cambridge Repository
77
University of Southampton: e-Prints Soton
75
HighWire Press (Stanford University)
71
Jagiellonian University Repository
69
Lund University Publications (LUP)
69
The Repository of the University of Silesia (RE-BUŚ)
67
Norwegian Institute for Nature Research: Brage NINA
66
Max Planck Society: MPG.PuRe
65
University of the Highlands and Islands: Research Database of UHI
62
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
56
Utrecht University Repository
56
The Czech Academy of Sciences: Publication Activity (ASEP)
55
more ...