Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
25
Arctic Data Center (via DataONE)
6
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Defense Technical Information Center: DTIC Technical Reports database
1
Directory of Open Access Journals: DOAJ Articles
1
ETH Zürich Research Collection
1
Naval Postgraduate School: Calhoun
1
University of Calgary Journal Hosting
1
University of Washington, Seattle: Digital Collections
1
Université de Nantes: HAL-UNIV-NANTES
1
Unknown
1