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e-periodica (Swiss journals online, ETH Zurich)
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Università degli studi di Torino: AperTo (Archivio Istituzionale ad Accesso Aperto)
1
Université Grenoble Alpes: HAL
1
Université de Nantes: HAL-UNIV-NANTES
1
Unknown
1
Wiley Online Library
1
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