Content Provider
Zenodo
31
LeibnizOpen (The Leibniz Association)
21
Frontiers: Figshare
10
Unknown
7
University of St Andrews: Research Portal
4
Directory of Open Access Journals: DOAJ Articles
3
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
2
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
Defense Technical Information Center: DTIC Technical Reports database
2
Ghent University Academic Bibliography
2
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
2
MDPI Open Access Publishing
2
Stellenbosch University: SUNScholar Research Repository
2
University College London: UCL Discovery
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Biodiversity Heritage Library (BHL)
1
Claremont Colleges: Scholarship@Claremont
1
Czech Academy of Sciences: dKNAV
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
Dalhousie University: DalSpace Institutional Repository
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Dipòsit Digital de la Universitat de Barcelona
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
1
Jagiellonian University Repository
1
MACAU: Open Access Repository of Kiel University
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
National Institute of Polar Research Repository, Japan
1
Old Dominion University: ODU Digital Commons
1
PUBLISSO Fachrepositorium Lebenswissenschaften (ZB MED)
1
Pensoft Publishers
1
Research Data Australia (Australian National Data Service - ANDS)
1
Revistas de la FAUD UNMdP (Facultad de Arquitectura, Urbanismo y Diseño, Universidad Nacional de Mar del Plata)
1
The Czech Academy of Sciences: Publication Activity (ASEP)
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
University of Groningen research database
1
University of Leicester: Figshare
1
University of Leicester: Leicester Research Archive (LRA)
1
University of Stirling: Stirling Digital Research Repository
1
University of São Paulo: Digital Library of Theses and Dissertations
1
Università degli Studi di Genova: CINECA IRIS
1
Università del Salento: CINECA IRIS
1
Wageningen UR (University & Research Centre): Digital Library
1