Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
57
DataCite Metadata Store (German National Library of Science and Technology)
50
Copernicus Publications: E-Journals
3
Niedersächsisches Online-Archiv NOA
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Cambridge University Press
2
Université de Nantes: HAL-UNIV-NANTES
2
Natural Environment Research Council: NERC Open Research Archive
1
University of Copenhagen: Research
1