Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
382
PANGAEA - Data Publisher for Earth & Environmental Science
313
DataCite
49
Directory of Open Access Journals: DOAJ Articles
2
Unknown
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Digital.CSIC (Spanish National Research Council)
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Instituto Español de Oceanografía: e-IEO
1
MDPI Open Access Publishing
1
PubMed Central (PMC)
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of the Highlands and Islands: Research Database of UHI
1
Université de Montpellier: HAL
1
Université de Nantes: HAL-UNIV-NANTES
1
ZU Scholars (Zayed University)
1