Content Provider
BORIS (Bern Open Repository and Information System, University of Bern)
9
DataCite Metadata Store (German National Library of Science and Technology)
4
Unknown
3
Natural Environment Research Council: NERC Open Research Archive
2
Niedersächsisches Online-Archiv NOA
2
University of Copenhagen: Research
2
AAAS Resource Center (American Association for the Advancement of Science - via Crossref)
1
AAAS Resource Center (American Association for the Advancement of Science)
1
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Archives ouvertes de Paris-Saclay
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
Institut national des sciences de l'Univers: HAL-INSU
1
LaCRIS - University of Lapland Current Research System
1
Lund University Publications (LUP)
1
ScholarsArchive@OSU (Oregon State University)
1
University of Bristol: Bristol Research
1
Université de Nantes: HAL-UNIV-NANTES
1
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
1
Vrije Universiteit Amsterdam (VU): Research Portal
1