Content Provider
Directory of Open Access Journals: DOAJ Articles
5
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
University of Tromsø: Septentrio Academic Publishing
2
Université de Nantes: HAL-UNIV-NANTES
2
Archives ouvertes de Paris-Saclay
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Ghent University Academic Bibliography
1
Hathi Trust Digital Library
1
Institut national des sciences de l'Univers: HAL-INSU
1
MDPI Open Access Publishing
1
National Research Council Canada: NRC Publications Archive
1
University of Calgary Journal Hosting
1
University of Guelph: DSpace digital archive
1
University of Michigan: Digital Collections
1
University of Toronto: Research Repository T-Space
1
Université Toulouse III - Paul Sabatier: HAL-UPS
1
Unknown
1