Content Provider
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Dipòsit Digital de la Universitat de Barcelona
2
Directory of Open Access Journals: DOAJ Articles
109
Lund University Publications (LUP)
1
Massey University: Massey Research Online
1
PLOS
4
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
1
University of Stirling: Stirling Digital Research Repository
1
Unknown
1
enKORE project
2