Content Provider
ScienceDirect (Elsevier - via Crossref)
312
Stockholm University Press (via Crossref)
283
Informa (via Crossref)
180
University of California Press (via Crossref)
108
University of California Press
82
ScienceDirect (Elsevier)
69
Stockholm University Press
65
Informa
51
Utrecht University Repository
32
Springer Nature (via Crossref)
20
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
12
DIAL@UCLouvain (Université catholique de Louvain)
9
DIAL@USL-B (Université Saint-Louis, Bruxelles)
9
DataCite Metadata Store (German National Library of Science and Technology)
8
University of Liège: ORBi (Open Repository and Bibliography)
6
Aberdeen University Research Archive (AURA)
2
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
2
OpenMETU (Middle East Technical University)
2
The University of Queensland: UQ eSpace
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
Università degli Studi di Napoli "Parthenope": CINECA IRIS
2
Caltech Authors (California Institute of Technology)
1
Dalhousie University: DalSpace Institutional Repository
1
Ghent University Academic Bibliography
1
McGill University: eScholarship@McGill
1
Queen's University Belfast Research Portal
1
Swedish Museum of Natural History: Publications (DiVA)
1
Technical University of Denmark: DTU Orbit
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
Universidad de Chile: Repositorio académico
1
University of Alaska: ScholarWorks@UA
1
University of Hertfordshire: UH Research Archive
1
University of Nottingham: Repository@Nottingham
1
University of St Andrews: Digital Research Repository
1
Università Politecnica delle Marche: IRIS
1
Università degli Studi di Genova: CINECA IRIS
1
Università degli studi di Torino: AperTo (Archivio Istituzionale ad Accesso Aperto)
1