Content Provider
Directory of Open Access Journals: DOAJ Articles
3
Australian National University: ANU Digital Collections
2
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Caltech Authors (California Institute of Technology)
2
DataCite Metadata Store (German National Library of Science and Technology)
2
MDPI Open Access Publishing
2
University of California: eScholarship
2
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
1
Apollo - University of Cambridge Repository
1
Curtin University: espace
1
Geological Society of London: Figshare
1
Indiana University - Purdue University Indianapolis: IUPUI Scholar Works
1
NOVA: The University of Newcastle Research Online (Australia)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
1