Content Provider
The University of Texas at Austin: Texas ScholarWorks
16
Australian National University: ANU Digital Collections
4
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
DataCite Metadata Store (German National Library of Science and Technology)
2
NORA (National aggregator of open repositories of Russian universities)
2
Peoples' Friendship University of Russia (RUDN): Open repository
2
Delft University of Technology: Institutional Repository
1
Digital.CSIC (Spanish National Research Council)
1
Dipòsit Digital de la Universitat de Barcelona
1
Queensland University of Technology: QUT ePrints
1
Repositorio Institucional del INGEMMET
1
Technical University of Denmark: DTU Orbit
1
Universidad de Huelva: Arias Montano
1
Zenodo
1