Content Provider
Biodiversity Heritage Library (BHL)
145
Wiley Online Library
75
Cambridge University Press
69
David Rumsey Historical Map Collection (Cartography Associates)
61
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
39
Springer Nature (via Crossref)
31
Springer Nature
29
Oxford University Press (via Crossref)
22
The National Academies Press
21
Informa (via Crossref)
18
Unknown
16
University of Otago: OUR Heritage (Otage University Research)
15
Oxford University Press
14
Informa
12
JSTOR
11
De Gruyter
10
RePEc (Research Papers in Economics)
10
DataCite Metadata Store (German National Library of Science and Technology)
9
Australian National University: ANU Digital Collections
8
The University of Warwick: WRAP - Warwick Research Archive Portal
8
Old Dominion University: ODU Digital Commons
7
Brill
6
School of Oriental and African Studies, University of London: SOAS Research Online
6
ScienceDirect (Elsevier - via Crossref)
6
Zenodo
6
ScienceDirect (Elsevier)
4
Frontiers (Publisher)
3
James Cook University, Australia: ResearchOnline@JCU
3
KNAW: Research Explorer (Royal Netherlands Academy of Arts and Sciences)
3
University of East Anglia: UEA Digital Repository
3
University of Southampton: e-Prints Soton
3
University of Sussex: Sussex Research Online
3
University of Tasmania: UTas ePrints
3
University of Wollongong, Australia: Research Online
3
Università degli studi della Tuscia: Unitus DSpace
3
Yale University Press
3
Bath Spa University: ResearchSPAce
2
Digital.CSIC (Spanish National Research Council)
2
Digitale Sammlungen der Herzogin Anna Amalia Bibliothek Weimar (HAAB)
2
Kingston University London: Research Repository
2
Natural Environment Research Council: NERC Open Research Archive
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
OpenAgrar (OA)
2
Swinburne University of Technology: Swinburne Research Bank
2
Texas A&M University Galveston Campus: DSpace Repository
2
The Open University: Open Research Online (ORO)
2
The University of Queensland: UQ eSpace
2
University of Glasgow: Enlighten - Publications
2
University of Kent: KAR - Kent Academic Repository
2
University of Westminster: WestminsterResearch
2
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