Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
8
Wageningen UR (University & Research Centre): Digital Library
2
DRO - Deakin Research Online
1
Digital.CSIC (Spanish National Research Council)
1
Directory of Open Access Journals: DOAJ Articles
1
Instituto Español de Oceanografía: e-IEO
1
National University of Ireland (NUI), Galway: ARAN
1
Repositório Científico da Universidade de Évora
1
The University of Queensland: UQ eSpace
1
Universidade do Algarve: Sapienta
1