Content Provider
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
48
Directory of Open Access Journals: DOAJ Articles
16
Unknown
15
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
10
DataCite Metadata Store (German National Library of Science and Technology)
8
Springer Nature (via Crossref)
6
German Aerospace Center: elib - DLR electronic library
4
Biologie in unserer Zeit (BiuZ - E-Journal)
3
Publication Server of Goethe University Frankfurt am Main
2
BORIS (Bern Open Repository and Information System, University of Bern)
1
Bayreuth University: EPub Bayreuth
1
Contributions to Entomology = Beiträge zur Entomologie (E-Journal)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Informa (via Crossref)
1
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
1
Max Planck Society: MPG.PuRe
1
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
1
PUB - Publications at Bielefeld University
1
PuSH - Publikationsserver des Helmholtz Zentrums München
1
Umeå University: Publications (DiVA)
1
Universität Leipzig: Qucosa
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1