Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
899
Springer Nature (via Crossref)
112
Digital.CSIC (Spanish National Research Council)
58
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
37
Université de Nantes: HAL-UNIV-NANTES
28
Wiley Online Library
28
The University of Dublin, Trinity College: TARA (Trinity's Access to Research Archive)
21
Aarhus University: Research
18
Directory of Open Access Journals: DOAJ Articles
15
Høgskolen i Innlandet: Brage INN
11
Norwegian Institute for Nature Research: Brage NINA
11
Portail HAL Institut Agro
11
Institut national des sciences de l'Univers: HAL-INSU
10
Wageningen UR (University & Research Centre): Digital Library
10
HELDA – University of Helsinki Open Repository
9
Inland Norway University of Applied Sciences: Brage INN
9
PubMed Central (PMC)
9
Natural Resources Institute Finland: Jukuri
8
University of Tromsø: Munin Open Research Archive
8
Université de Montpellier: HAL
8
Unknown
8
CIRAD: HAL (Agricultural Research for Development)
7
LSRC VL (Lithuanian Social Research Centre Virtual Library)
7
Portail HAL Institut Agro Montpellier
7
Repository of the University of Ljubljana (RUL)
7
JYX - Jyväskylä University Digital Archive
6
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
6
RePEc (Research Papers in Economics)
6
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive
6
University of St Andrews: Digital Research Repository
6
BORIS (Bern Open Repository and Information System, University of Bern)
5
CINECA IRIS Universitá Degli Studi di Sassari
5
Institut National de la Recherche Agronomique: ProdINRA
5
Lund University Publications (LUP)
5
University of Exeter: Open Research Exeter (ORE)
5
Aalborg University's Research Portal
4
Anses: HAL (Agence nationale de sécurité sanitaire de l’alimentation, de l’environnement et du travail)
4
Apollo - University of Cambridge Repository
4
HAL Lyon 1 (University Claude Bernard Lyon 1)
4
Hunter Library Digital Collections (Western Carolina University)
4
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
4
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
4
Natural Environment Research Council: NERC Open Research Archive
4
OpenAgrar (OA)
4
Portail HAL-ANR (Agence Nationale de la Recherche)
4
Queen's University Belfast Research Portal
4
University of Copenhagen: Research
4
University of Michigan: Deep Blue
4
University of St Andrews: Research Portal
4
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
4
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