Content Provider
ScienceDirect (Elsevier - via Crossref)
2,732
ScienceDirect (Elsevier)
1,562
Springer Nature (via Crossref)
856
Informa (via Crossref)
134
Cambridge University Press
86
DataCite
41
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
35
DataCite Metadata Store (German National Library of Science and Technology)
34
University of North Texas: UNT Digital Library
30
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
27
Arctic Council Repository
26
Informa
23
Wiley Online Library (via Crossref)
19
University of Calgary Journal Hosting
18
Research Institute Nature and Forest: Research outputs
14
Zenodo
14
Directory of Open Access Journals: DOAJ Articles
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
11
University of Liège: ORBi (Open Repository and Bibliography)
11
Unknown
11
Opin vísindi (Iceland)
10
Università degli Studi di Siena: USiena air
10
Institut national des sciences de l'Univers: HAL-INSU
8
MIT Libraries Dome
8
Université de Nantes: HAL-UNIV-NANTES
8
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
7
Aarhus University: Research
6
Biodiversity Heritage Library (BHL)
6
Digital.CSIC (Spanish National Research Council)
6
Ghent University Academic Bibliography
6
Lexxion (via Crossref)
6
ACS Publications
5
Aberdeen University Research Archive (AURA)
5
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
5
Frontiers (Publisher)
5
Swedish University of Agricultural Sciences: Epsilon Archive for Student Projects
5
Wiley Online Library
5
HAL - Université de La Rochelle
4
IRIS Università degli Studi di Palermo
4
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
4
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
4
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
4
LSRC VL (Lithuanian Social Research Centre Virtual Library)
4
LeibnizOpen (The Leibniz Association)
4
Repositório Institucional da Universidade de Aveiro (RIA)
4
The University of Queensland: UQ eSpace
4
University of Copenhagen: Research
4
University of Hull: Repository@Hull
4
University of St Andrews: Research Portal
4
more ...