Content Provider
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
69
Defense Technical Information Center: DTIC Technical Reports database
9
BORIS (Bern Open Repository and Information System, University of Bern)
4
DataCite Metadata Store (German National Library of Science and Technology)
4
Arctic Institute of North America
1
Digital.CSIC (Spanish National Research Council)
1
Rhodes University Cory: Repository
1
SEALS Digital Commons (South East Academic Libraries System, South Africa)
1
UMS Journal Management System (Universiti Malaysia Sabah)
1
University of Calgary Journal Hosting
1