Content Provider
University of North Texas: UNT Digital Library
27
Defense Technical Information Center: DTIC Technical Reports database
17
DataCite Metadata Store (German National Library of Science and Technology)
16
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
10
Digital.CSIC (Spanish National Research Council)
9
Arctic Data Center (via DataONE)
7
University of California: eScholarship
7
Université de Nantes: HAL-UNIV-NANTES
7
Zenodo
7
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
6
Old Dominion University: ODU Digital Commons
6
Unknown
6
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
5
HAL Sorbonne Université
5
Institut national des sciences de l'Univers: HAL-INSU
5
Directory of Open Access Journals: DOAJ Articles
4
Muséum National d'Histoire Naturelle (MNHM): HAL
4
USGS Science Data Catalog (via DataONE)
4
Université de Bretagne Occidentale: HAL
4
Australian National University: ANU Digital Collections
3
Normandie Université: HAL
3
TU Delft: Institutional Repository (Delft University of Technology)
3
The University of Queensland: UQ eSpace
3
Universität Leipzig: Qucosa
3
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
3
theses.fr
3
Archives ouvertes de Paris-Saclay
2
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
2
Biodiversity Heritage Library (BHL)
2
HAL de l'Institut Polytechnique de Paris
2
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
2
Institutional Repository of Leibniz Universität Hannover
2
NOAA NCEI Environmental Data Archive (via DataONE)
2
Opin vísindi (Iceland)
2
Technical University of Denmark: DTU Orbit
2
The Hong Kong University of Science and Technology: HKUST Institutional Repository
2
UNSW Sydney (The University of New South Wales): UNSWorks
2
Universitat Politècnica de Catalunya, BarcelonaTech: UPCommons - Global access to UPC knowledge
2
University of Alberta: Era - Education and Research Archive
2
University of Pretoria: UPSpace
2
Università degli Studi di Ferrara: CINECA IRIS
2
Université de Paris: Portail HAL
2
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
2
Université des Antilles (UAG): HAL
2
Utrecht University Repository
2
École Polytechnique, Université Paris-Saclay: HAL
2
Aalborg University's Research Portal
1
Aix-Marseille Université: HAL
1
Apollo - University of Cambridge Repository
1
Archive de l'Observatoire de Paris (HAL)
1
more ...