Content Provider
LeibnizOpen (The Leibniz Association)
20
Unknown
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Copernicus Publications: E-Journals
1
DataCite Metadata Store (German National Library of Science and Technology)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Institut national des sciences de l'Univers: HAL-INSU
1
Niedersächsisches Online-Archiv NOA
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1