Content Provider
Dryad Digital Repository (Duke University)
9
DataCite Metadata Store (German National Library of Science and Technology)
6
USGS Science Data Catalog (via DataONE)
6
University of California: eScholarship
3
Directory of Open Access Journals: DOAJ Articles
2
The University of Waikato: Research Commons
2
Unknown
2
DRO - Deakin Research Online
1
Ege University Institutional Repository
1
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
1
International Journal of Spatial Data Infrastructures Research (Joint Research Centre of the European Commission)
1
Luleå University of Technology Publications (DiVA)
1
National Institute of Polar Research Repository, Japan
1
OhioLINK: Electronic Theses and Dissertations Center
1
Portal de Periódicos UFU (Universidade Federal de Uberlândia)
1
Repositório da Universidade Nova de Lisboa (UNL)
1
Universidade de Coimbra: Estudo Geral
1
University of Calgary Journal Hosting
1
University of North Texas: UNT Digital Library
1
University of Stirling: Stirling Digital Research Repository
1
University of São Paulo: Digital Library of Theses and Dissertations
1
University of the Highlands and Islands: Research Database of UHI
1
Wilfrid Laurier University, Ontario: Scholars Commons@Laurier
1
uO Research (University of Ottawa - uOttawa)
1