Content Provider
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Digital.CSIC (Spanish National Research Council)
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
Apollo - University of Cambridge Repository
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Directory of Open Access Journals: DOAJ Articles
1
Durham University: Durham Research Online
1
IEDA: US Antarctic Program Data Center (via DataONE)
1
MDPI Open Access Publishing
1