Content Provider
Biodiversity Heritage Library (BHL)
13
WikiBooks - Open-content textbooks
6
Aarhus University: Research
3
DataCite Metadata Store (German National Library of Science and Technology)
3
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
3
University of Copenhagen: Research
3
norden (Nordic Council of Ministers): Publications (DiVA)
3
Cambridge University Press
2
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
2
University of Illinois at Urbana-Champaign: IDEALS (Illinois Digital Environment for Access to Learning and Scholarship)
2
Arctic Portal Library
1
Australian National University: ANU Digital Collections
1
Falmouth University Research Repository (FURR)
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
IIASA DARE (Data Repository of the International Institute of Applied Systems Analysis)
1
IIASA PURE (International Institute of Applied Systems Analysis: PUblications REpository)
1
Norwegian Institute for Nature Research: Brage NINA
1
Roskilde University Research Portal (RUC)
1
Technical University of Denmark: DTU Orbit
1
University of Southampton: e-Prints Soton
1
Universität der Bundeswehr München: AtheneForschung
1
Wiley Online Library
1
Zenodo
1