Content Provider
Directory of Open Access Journals: DOAJ Articles
213
Lund University Publications (LUP)
27
ScienceDirect (Elsevier - via Crossref)
20
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
14
Defense Technical Information Center: DTIC Technical Reports database
12
DataCite
8
ScienceDirect (Elsevier)
8
Cambridge University Press
6
eCite UTAS (University of Tasmania)
5
Informa (via Crossref)
3
Springer Nature (via Crossref)
3
Swedish Museum of Natural History: Publications (DiVA)
3
Uppsala University: Publications (DiVA)
3
University of Calgary Journal Hosting
2
Utrecht University Repository
2
GEUS Bulletin (Geological Survey of Denmark and Greenland)
1
Informa
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
PQDT Open: Open Access Dissertations and Theses (ProQuest)
1
Repositorio Institucional de la Universidad de Burgos (RIUBU)
1
Stockholm University: Publications (DiVA)
1
UmeƄ University: Publications (DiVA)
1
University of North Texas: UNT Digital Library
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1