Content Provider
Springer Nature
1,060
Springer Nature (via Crossref)
907
Informa (via Crossref)
564
LaCRIS - University of Lapland Current Research System
331
Cambridge University Press
243
Oxford University Press (via Crossref)
214
ScienceDirect (Elsevier)
182
JSTOR (via Crossref)
152
ScienceDirect (Elsevier - via Crossref)
134
UNESDOC - UNESCO Digital Library
122
JSTOR
117
De Gruyter
103
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
101
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
99
University of Copenhagen: Research
92
Brill
82
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
75
Edward Elgar Publishing
62
Aarhus University: Research
61
Natural Environment Research Council: NERC Open Research Archive
61
De Gruyter (via Crossref)
60
Aalborg University's Research Portal
48
Université de Nantes: HAL-UNIV-NANTES
45
University of Lapland: Lauda
42
Lund University Publications (LUP)
41
University of Groningen research database
38
Wiley Online Library (via Crossref)
34
SAGE Publications (via Crossref)
32
LeibnizOpen (The Leibniz Association)
31
UQAM - Université du Québec à Montréal: archipel
31
University of Tromsø: Munin Open Research Archive
30
Edward Elgar Publishing (via Crossref)
29
Max Planck Society: MPG.PuRe
27
UNC Press (The University of North Carolina - via Crossref)
27
Oxford University Press
24
Wageningen UR (University & Research Centre): Digital Library
24
DataCite Metadata Store (German National Library of Science and Technology)
22
University of Southern Denmark Research Portal
22
Open Research Library
21
Edinburgh University Press (via Crossref)
20
University of the Highlands and Islands: Research Database of UHI
20
Informa
19
Yale University Press (via Crossref)
19
OpenEdition
18
University of California Press (via Crossref)
18
Utrecht University Repository
18
University of Southampton: e-Prints Soton
17
NTNU Open Archive (Norwegian University of Science and Technology)
16
Digital.CSIC (Spanish National Research Council)
15
Roskilde University Research Portal (RUC)
15
more ...