Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
60
Arctic Data Center (via DataONE)
33
National Research Council Canada: NRC Publications Archive
19
Unknown
13
Canadian Science Publishing (via Crossref)
10
PANGAEA - Data Publisher for Earth & Environmental Science
10
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
8
University of Calgary Journal Hosting
6
Zenodo
6
Directory of Open Access Journals: DOAJ Articles
5
Canadian Science Publishing
4
Carleton University's Institutional Repository
4
Copernicus Publications: E-Journals
4
MSpace at the University of Manitoba
4
University of Victoria (Canada): UVicDSpace
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
3
RePEc (Research Papers in Economics)
3
Wilfrid Laurier University, Ontario: Scholars Commons@Laurier
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Arctic Institute of North America (via Crossref)
2
Borealis
2
Charles University CU Digital repository
2
Niedersächsisches Online-Archiv NOA
2
Wiley Online Library (via Crossref)
2
uO Research (University of Ottawa - uOttawa)
2
ASCE Publications (American Society of Civil Engineers)
1
ASM Journals (American Society for Microbiology - via Crossref)
1
Defense Technical Information Center: DTIC Technical Reports database
1
ETH Zürich Research Collection
1
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
German Aerospace Center: elib - DLR electronic library
1
HAL Sorbonne Université
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
Institut national de la recherche scientifique, Québec: Espace INRS
1
Institut national des sciences de l'Univers: HAL-INSU
1
PRISM - University of Calgary Digital Repository
1
PubMed Central (PMC)
1
Research from Toronto Metropolitan University
1
Ryerson University: RULA Digital Repository
1
Sapporo University Academic Repository
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
University of Alberta: Era - Education and Research Archive
1
University of British Columbia: cIRcle - UBC's Information Repository
1
University of East Anglia: UEA Digital Repository
1
University of Lethbridge Digitized Collections
1
University of Stirling: Stirling Digital Research Repository
1
Université de Nantes: HAL-UNIV-NANTES
1