Content Provider
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
24
WikiBooks - Open-content textbooks
21
Unknown
8
Biodiversity Heritage Library (BHL)
7
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
7
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
5
Texas A&M University Digital Repository
4
University of Southampton: e-Prints Soton
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Université de Nantes: HAL-UNIV-NANTES
3
HAL - Université de La Rochelle
2
Old Dominion University: ODU Digital Commons
2
OpenAgrar (OA)
2
The National Academies Press
2
The National Academies Press (via Crossref)
2
Australian National University: ANU Digital Collections
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Cambridge University Press
1
Central Marine Fisheries Research Institute, Kochi, India: Eprints@CMFRI
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
EconStor (German National Library of Economics, ZBW)
1
GEO-LEOe-docs (FID GEO)
1
I-Revues (E-Journals, INIST-CNRS)
1
Muséum National d'Histoire Naturelle (MNHM): HAL
1
Normandie Université: HAL
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Open Research Library
1
Oxford University Press (via Crossref)
1
Rhodes University Cory: Repository
1
SEALS Digital Commons (South East Academic Libraries System, South Africa)
1
Springer Nature (via Crossref)
1
Stellenbosch University: SUNScholar Research Repository
1
Technical University of Denmark: DTU Orbit
1
UNESDOC - UNESCO Digital Library
1
University of St Andrews: Research Portal
1
University of Tasmania: UTas ePrints
1
Università degli Studi di Genova: CINECA IRIS
1
Université de Bourgogne (UB): HAL
1
e-rara.ch (ETH Zürich)
1