Content Provider
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
33
DataCite Metadata Store (German National Library of Science and Technology)
9
PubMed Central (PMC)
7
Università degli Studi di Ferrara: CINECA IRIS
4
Natural Environment Research Council: NERC Open Research Archive
3
RePEc (Research Papers in Economics)
3
Zenodo
3
Digital.CSIC (Spanish National Research Council)
2
Padua Research Archive (IRIS - Università degli Studi di Padova)
2
Springer Nature (via Crossref)
2
AAAS Resource Center (American Association for the Advancement of Science)
1
Canadian Science Publishing (via Crossref)
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
Digital Commons University of South Florida (USF)
1
Dryad Digital Repository (Duke University)
1
Frontiers (Publisher)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
PLOS
1
ScienceDirect (Elsevier - via Crossref)
1
The Royal Society
1
UIB Repositori (University of the Balearic Islands)
1
University of Copenhagen: Research
1
University of Potsdam: publish.UP
1
University of South Florida St. Petersburg: Digital USFSP
1
Unknown
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1
İstanbul Üniversitesi Açık Erişim Sistemi
1