Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
40
LeibnizOpen (The Leibniz Association)
19
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
6
University of the Highlands and Islands: Research Database of UHI
3
Unknown
3
Arctic Data Center (via DataONE)
2
De Gruyter (via Crossref)
2
University of St Andrews: Research Portal
2
Wiley Online Library
2
Apollo - University of Cambridge Repository
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Collège de France: HAL
1
Digital.CSIC (Spanish National Research Council)
1
Directory of Open Access Journals: DOAJ Articles
1
Institut National de la Recherche Agronomique: ProdINRA
1
Institut national des sciences de l'Univers: HAL-INSU
1
Lund University Publications (LUP)
1
Natural Environment Research Council: NERC Open Research Archive
1
Pensoft Publishers
1
Repositorio Digital Institucional - Universidad de Buenos Aires (RDI UBA)
1
Sciendo (de Gruyter - via CrossRef)
1
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
1
University College London: UCL Discovery
1
University of Copenhagen: Research
1
University of Lodz Repository (RUŁ)
1
University of Stirling: Stirling Digital Research Repository
1