Content Provider
HighWire Press (Stanford University)
10
Oxford University Press
5
DataCite Metadata Store (German National Library of Science and Technology)
4
University of Tromsø: Munin Open Research Archive
2
Unknown
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Canadian Science Publishing
1
HELDA – University of Helsinki Open Repository
1
JYX - Jyväskylä University Digital Archive
1
Marine Institute Open Access Repository
1
Oxford University Press (via Crossref)
1
Technical University of Denmark: DTU Orbit
1
University of Turku: UTUPub
1
Wiley Online Library
1