Content Provider
PubMed Central (PMC)
2
Technical University of Denmark: DTU Orbit
2
Wiley Online Library
2
Aarhus University: Research
1
Cambridge University Press
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Defense Technical Information Center: DTIC Technical Reports database
1
Georg-August-Universität Göttingen: GoeScholar
1
LaCRIS - University of Lapland Current Research System
1
Max Planck Society: MPG.PuRe
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
RUcore - Rutgers University Community Repository
1
The University of Western Ontario: Scholarship@Western
1
University of Copenhagen: Research
1
Uppsala University: Publications (DiVA)
1
Vrije Universiteit Amsterdam (VU): Research Portal
1