Content Provider
Lund University Publications (LUP)
12
Directory of Open Access Journals: DOAJ Articles
7
Niedersächsisches Online-Archiv NOA
3
Aarhus University: Research
2
RePEc (Research Papers in Economics)
2
University of California: eScholarship
2
University of Copenhagen: Research
2
DORA Empa
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Dryad Digital Repository (Duke University)
1
IRUA - Institutional Repository van de Universiteit Antwerpen
1
JSTOR (via Crossref)
1
Queen's University Belfast Research Portal
1
Swedish Polar Research Secretariat: Swedish Polar Bibliography (DiVA)
1
Umeå University: Publications (DiVA)
1
University of Western Sydney (UWS): Research Direct
1
Unknown
1
Wageningen UR (University & Research Centre): Digital Library
1
White Rose Research Online (Universities of Leeds, Sheffield & York)
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1