Content Provider
LeibnizOpen (The Leibniz Association)
19
Unknown
6
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Directory of Open Access Journals: DOAJ Articles
3
Niedersächsisches Online-Archiv NOA
3
Vrije Universiteit Amsterdam (VU): Research Portal
3
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
Université de Nantes: HAL-UNIV-NANTES
2
CentAUR: Central Archive at the University of Reading
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Indian Academy of Sciences: Publication of Fellows
1
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
1
Old Dominion University: ODU Digital Commons
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
Technical University of Denmark: DTU Orbit
1
University of Bristol: Bristol Research
1
University of California: eScholarship
1
University of Lincoln: Lincoln Repository
1
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
1