Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
361
LeibnizOpen (The Leibniz Association)
20
Unknown
11
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
University of California: eScholarship
6
Université de Nantes: HAL-UNIV-NANTES
6
Digital.CSIC (Spanish National Research Council)
5
Directory of Open Access Journals: DOAJ Articles
5
LSU Digital Commons (Louisiana State University)
5
OhioLINK: Electronic Theses and Dissertations Center
5
University of Alaska: ScholarWorks@UA
5
University of Tasmania: UTas ePrints
5
uO Research (University of Ottawa - uOttawa)
5
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
4
Kazan Federal University Digital Repository
4
NORA (National aggregator of open repositories of Russian universities)
4
PRISM - University of Calgary Digital Repository
4
ARPI - Archivio della Ricerca dell'Università di Pisa
3
Dipòsit Digital de la Universitat de Barcelona
3
Estudios Geológicos (E-Journal)
3
HELDA – University of Helsinki Open Repository
3
Rice University: Digital Scholarship Archive
3
The University of Arizona: UA Campus Repository
3
Theses Canada/Thèses Canada (Library and Archives Canada)
3
University of Bristol: Bristol Research
3
Università degli Studi di Ferrara: CINECA IRIS
3
Université de Montréal (UdeM): Papyrus
3
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Biodiversity Heritage Library (BHL)
2
Dryad Digital Repository (Duke University)
2
Durham University: Durham Research Online
2
Five Colleges of Ohio Digital Collections
2
Institut national des sciences de l'Univers: HAL-INSU
2
McGill University: eScholarship@McGill
2
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
2
Queen's University, Ontario: QSpace
2
Texas A&M University Digital Repository
2
The University of Kansas: KU ScholarWorks
2
Universidad de Huelva: Arias Montano
2
Universidad de Las Palmas de Gran Canaria: Acceda
2
University of Copenhagen: Research
2
University of Hong Kong: HKU Scholars Hub
2
University of Liège: ORBi (Open Repository and Bibliography)
2
University of Nebraska-Lincoln: DigitalCommons@UNL
2
University of Victoria (Canada): UVicDSpace
2
Aarhus University: Research
1
Aix-Marseille Université: HAL
1
American Scientific Research Journal for Engineering, Technology, and Sciences (ASRJETS)
1
Apollo - University of Cambridge Repository
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
more ...