Content Provider
ScienceDirect (Elsevier - via Crossref)
3,916
ScienceDirect (Elsevier)
1,123
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
65
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
29
LeibnizOpen (The Leibniz Association)
19
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
16
University of Tasmania: UTas ePrints
14
eCite UTAS (University of Tasmania)
14
Apollo - University of Cambridge Repository
11
Opin vísindi (Iceland)
11
Unknown
11
DataCite Metadata Store (German National Library of Science and Technology)
8
Curtin University: espace
6
King Abdullah University of Science and Technology: KAUST Repository
6
Natural Resources Institute Finland: Jukuri
6
University of Florida: Digital Library Center
6
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
6
Peoples' Friendship University of Russia (RUDN): Open repository
5
PubMed Central (PMC)
5
University College London: UCL Discovery
5
DIAL@UCLouvain (Université catholique de Louvain)
4
DIAL@USL-B (Université Saint-Louis, Bruxelles)
4
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
4
University of Glasgow: Enlighten - Publications
4
Harvard University: DASH - Digital Access to Scholarship at Harvard
3
Kyoto University Research Information Repository (KURENAI)
3
Sapienza Università di Roma: CINECA IRIS
3
The University of Adelaide: Digital Library
3
The University of Queensland: UQ eSpace
3
Bartin University: DSpace@Bartin
2
Digital.CSIC (Spanish National Research Council)
2
Duke University Libraries: DukeSpace
2
Guangzhou Institute of Geochemistry: GIG OpenIR (Chinese Academy of Sciences)
2
HELDA – University of Helsinki Open Repository
2
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
2
Indian Academy of Sciences: Publication of Fellows
2
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
2
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
2
KU Leuven: Lirias
2
Korea Advanced Institute of Science and Technology: KOASAS - KAIST Open Access Self-Archiving System
2
MSpace at the University of Manitoba
2
Murdoch University: Murdoch Research Repository
2
Newcastle University Library ePrints Service
2
PUB - Publications at Bielefeld University
2
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
2
Queensland University of Technology: QUT ePrints
2
Seoul National University: S-Space
2
The University of Arizona: UA Campus Repository
2
The University of Liverpool Repository
2
The University of Warwick: WRAP - Warwick Research Archive Portal
2
more ...