Content Provider
LeibnizOpen (The Leibniz Association)
21
DataCite Metadata Store (German National Library of Science and Technology)
2
Unknown
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
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
Université de Nantes: HAL-UNIV-NANTES
1