Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
696
ScienceDirect (Elsevier - via Crossref)
551
DataCite Metadata Store (German National Library of Science and Technology)
359
Directory of Open Access Journals: DOAJ Articles
197
Wiley Online Library
175
Wiley Online Library (via Crossref)
164
ScienceDirect (Elsevier)
100
Schweizerbart Science Publishers (via Crossref)
44
Springer Nature (via Crossref)
43
Utrecht University Repository
32
Biodiversity Heritage Library (BHL)
24
Australian National University: ANU Digital Collections
23
University of Calgary Journal Hosting
21
Informa (via Crossref)
18
University of Nebraska-Lincoln: DigitalCommons@UNL
18
University of North Texas: UNT Digital Library
17
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
13
Unknown
13
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
12
UNESDOC - UNESCO Digital Library
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
8
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
7
DIAL@USL-B (Université Saint-Louis, Bruxelles)
7
Schweizerbart Science Publishers
7
DIAL@UCLouvain (Université catholique de Louvain)
6
The University of Texas at Austin: Texas ScholarWorks
6
Università degli Studi di Ferrara: CINECA IRIS
6
Queen's University Belfast Research Portal
5
Research Data Australia (Australian National Data Service - ANDS)
5
University of Massachusetts: ScholarWorks@UMass Amherst
5
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
5
Université de Nantes: HAL-UNIV-NANTES
5
ARPI - Archivio della Ricerca dell'Università di Pisa
4
Digital.CSIC (Spanish National Research Council)
4
Padua Research Archive (IRIS - Università degli Studi di Padova)
4
Persée: Portail de revues scientifiques en sciences humaines et sociales
4
University College London: UCL Discovery
4
University at Albany, State University of New York (SUNY): Scholars Archive
4
University of Dayton: eCommons
4
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
4
Arctic Data Center (via DataONE)
3
Institut national des sciences de l'Univers: HAL-INSU
3
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
3
LSRC VL (Lithuanian Social Research Centre Virtual Library)
3
PRISM - University of Calgary Digital Repository
3
The University of Queensland: UQ eSpace
3
Theses Canada/Thèses Canada (Library and Archives Canada)
3
Universidade do Algarve: Sapienta
3
University of Copenhagen: Research
3
Aarhus University: Research
2
more ...