Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
7,722
PANGAEA - Data Publisher for Earth & Environmental Science
3,150
Directory of Open Access Journals: DOAJ Articles
236
Copernicus Publications: E-Journals
183
Niedersächsisches Online-Archiv NOA
135
LeibnizOpen (The Leibniz Association)
94
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
90
National Institute of Polar Research Repository, Japan
83
Institut national des sciences de l'Univers: HAL-INSU
74
Unknown
57
ScienceDirect (Elsevier - via Crossref)
52
NILU – Norwegian Institute for Air Research: NILU Brage
50
Université de Nantes: HAL-UNIV-NANTES
48
Zenodo
41
MDPI Open Access Publishing
40
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
33
Springer Nature (via Crossref)
32
NTNU Open Archive (Norwegian University of Science and Technology)
31
Polar Research (E-Journal)
26
PubMed Central (PMC)
23
University of Tromsø: Munin Open Research Archive
23
ScienceDirect (Elsevier)
19
Université Grenoble Alpes: HAL
15
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
15
Wiley Online Library
15
Norsk Polarinstitutt: Brage NP
13
Norwegian Polar Institute: Brage NP
13
ARCIMÍS (Archivo Climatológico y Meteorológico Institucional - AEMET, Agencia Estatal de Meteorología)
12
Arctic Portal Library
12
Informa (via Crossref)
12
HAL Sorbonne Université
11
HighWire Press (Stanford University)
11
Université Savoie Mont Blanc: HAL
11
ETH Zürich Research Collection
10
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
10
University of Leicester: Leicester Research Archive (LRA)
10
Archives ouvertes de Paris-Saclay
9
IRIS Università degli Studi di Perugia
9
University of Groningen research database
9
Università degli Studi di Genova: CINECA IRIS
9
Natural Environment Research Council: NERC Open Research Archive
8
BORIS (Bern Open Repository and Information System, University of Bern)
7
Cambridge University Press
7
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
7
Ghent University Academic Bibliography
7
Joint Research Centre, European Commission: JRC Publications Repository
7
University of Liège: ORBi (Open Repository and Bibliography)
7
Aarhus University: Research
6
HAL Lyon 1 (University Claude Bernard Lyon 1)
6
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
6
more ...