Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
479
Frontiers: Figshare
4
ACS Publications (via Crossref)
1
ArXiv.org (Cornell University Library)
1
Dalhousie University: DalSpace Institutional Repository
1
KovsieScholar Repository (University of the Free State - UFS UV)
1
National University of Ireland (NUI), Galway: ARAN
1
RePEc (Research Papers in Economics)
1
The University of Maine: DigitalCommons@UMaine
1
University of California: eScholarship
1
University of Maine, School of Law: Digital Commons
1
University of Southampton: e-Prints Soton
1