Content Provider
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Australian National University: ANU Digital Collections
1
Cambridge University Press
1
Cornell University: eCommons@Cornell
1
DataCite Metadata Store (German National Library of Science and Technology)
2
Falmouth University Research Repository (FURR)
1
UNESDOC - UNESCO Digital Library
3
Université de Nantes: HAL-UNIV-NANTES
1
Unknown
1
WikiBooks - Open-content textbooks
23