Content Provider
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Novosibirsk State University: N* DSpace Repository
1
OpenAgrar (OA)
1
OpenEdition
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
Pamukkale University Repository
2
Project Euclid (Cornell University Library)
1
PubMed Central (PMC)
6
REPOSIT HAW Hamburg
1
Radiation Hygiene (E-Journal)
8
RePEc (Research Papers in Economics)
4
SAGE Publications
1
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
1
ScienceDirect (Elsevier - via Crossref)
9
Senshu University: Institutional Repository
2
Sistema de revistas y publicaciones de la Universidad ORT Uruguay
1
Springer Nature (via Crossref)
4
Technical University of Denmark: DTU Orbit
2
The University of Milan: Archivio Istituzionale della Ricerca (AIR)
1
Tokyo Gakugei University Repository
1
Tokyo Gakugei University: Education + Utopia (E*TOPIA)
1
Tomsk Polytechnic University (TPU): Electronic Archive
1
University of Alabama Institutional Repository
1
University of Alabama Libraries: Acumen
1
University of Alaska: ScholarWorks@UA
1
University of California: eScholarship
2
University of Glasgow: Enlighten - Publications
1
University of Lethbridge Digitized Collections
2
Université Paris Seine: ComUE (HAL)
1
Université de Lorraine: HAL
1
Université de Nantes: HAL-UNIV-NANTES
2
Unknown
10
Western Washington University: CEDAR (Contributing to Education through Digital Access to Research)
1
Wiley Online Library
1
Zenodo
6