Content Provider
Aarhus University: Research
23
Lund University Publications (LUP)
15
University of Copenhagen: Research
15
PubMed Central (PMC)
5
Copernicus Publications: E-Journals
4
DataCite Metadata Store (German National Library of Science and Technology)
4
Niedersächsisches Online-Archiv NOA
3
Springer Nature (via Crossref)
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Norwegian Institute of Bioeconomy Research: NIBIO Brage
2
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
Université de Nantes: HAL-UNIV-NANTES
2
Vrije Universiteit Amsterdam (VU): Research Portal
2
Wiley Online Library
2
Archives ouvertes de Paris-Saclay
1
ETH Zürich Research Collection
1
Georg-August-Universität Göttingen: GoeScholar
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
HELDA – University of Helsinki Open Repository
1
Høgskulen på Vestlandet: HVL Open
1
Institut national des sciences de l'Univers: HAL-INSU
1
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
1
The Royal Society
1
University of Tromsø: Munin Open Research Archive
1
University of Western Sydney (UWS): Research Direct
1
Université Grenoble Alpes: HAL
1
Université de Bourgogne (UB): HAL
1
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
1
Unknown
1
Utrecht University Repository
1
Wageningen UR (University & Research Centre): Digital Library
1
Wiley Online Library (via Crossref)
1