Content Provider
LeibnizOpen (The Leibniz Association)
20
Unknown
2
DataCite Metadata Store (German National Library of Science and Technology)
1
Digital Commons University of South Florida (USF)
1
Ghent University Academic Bibliography
1
James Cook University, Australia: ResearchOnline@JCU
1
Natural Environment Research Council: NERC Open Research Archive
1
Northumbria University, Newcastle: Northumbria Research Link (NRL)
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
UNSW Sydney (The University of New South Wales): UNSWorks
1
University of South Florida St. Petersburg: Digital USFSP
1
Utrecht University Repository
1