Content Provider
LeibnizOpen (The Leibniz Association)
22
Unknown
3
DataCite Metadata Store (German National Library of Science and Technology)
1
ETH Zürich Research Collection
1
Natural Environment Research Council: NERC Open Research Archive
1
Niedersächsisches Online-Archiv NOA
1
Northumbria University, Newcastle: Northumbria Research Link (NRL)
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
University of Bristol: Bristol Research
1
University of California: eScholarship
1
University of Southampton: e-Prints Soton
1