Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,998
Directory of Open Access Journals: DOAJ Articles
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Magnolia press
2
Unknown
2
Aix-Marseille Université: HAL
1
ArXiv.org (Cornell University Library)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Copernicus Publications: E-Journals
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
Frontiers (Publisher)
1
Ghent University Academic Bibliography
1
Institut national des sciences de l'Univers: HAL-INSU
1
Instituto Politécnico de Lisboa: Repositório Científico do IPL
1
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
1
Niedersächsisches Online-Archiv NOA
1
PubMed Central (PMC)
1
Repositório da Universidade dos Açores
1
Sapienza Università di Roma: CINECA IRIS
1
Stellenbosch University: SUNScholar Research Repository
1
The University of Delaware Library Institutional Repository
1
The University of Queensland: UQ eSpace
1
Universidad Complutense de Madrid (UCM): E-Prints Complutense
1
University of Portsmouth: Portsmouth Research Portal
1
University of St Andrews: Digital Research Repository
1
Université de Nantes: HAL-UNIV-NANTES
1
Wageningen UR (University & Research Centre): Digital Library
1
Wiley Online Library
1
Érudit.org (Université Montréal)
1