Content Provider
Directory of Open Access Journals: DOAJ Articles
7
MDPI Open Access Publishing
5
DataCite Metadata Store (German National Library of Science and Technology)
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
University of Alberta: Era - Education and Research Archive
2
University of Groningen research database
2
University of Houston Institutional Repository (UHIR)
2
ARCIMÍS (Archivo Climatológico y Meteorológico Institucional - AEMET, Agencia Estatal de Meteorología)
1
Apollo - University of Cambridge Repository
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Carolina Digital Repository (UNC - University of North Carolina)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Digital.CSIC (Spanish National Research Council)
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Masaryk University Journals
1
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
1
Polar Research
1
Polar Research (E-Journal)
1
Rice University: Digital Scholarship Archive
1
The University of Queensland: UQ eSpace
1
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
1
Universidad de Chile: Repositorio académico
1
Universidade de Lisboa: repositório.UL
1
Universidade do Algarve: Sapienta
1
Unknown
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1