Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
499
DataCite Metadata Store (German National Library of Science and Technology)
164
Swedish National Data Service (SND)
2
Directory of Open Access Journals: DOAJ Articles
1
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
1
MDPI Open Access Publishing
1
University of Alaska: ScholarWorks@UA
1