Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
62
EconStor (German National Library of Economics, ZBW)
14
Unknown
13
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
5
Norsk Polarinstitutt: Brage NP
2
Norwegian Polar Institute: Brage NP
2
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources)
1
FreiDok plus - Zeppelin Universität
1
Publication Database IASS (Institute for Advanced Sustainability Studies Potsdam)
1
TUHH Open Research (TORE - Technische Universität Hamburg)
1
Wuppertal Institute for Climate, Environment and Energy: Publication Server
1
Zenodo
1