Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
220
University of Michigan: Digital Collections
109
Unknown
65
Arctic Data Center (via DataONE)
54
University of Alberta: Era - Education and Research Archive
32
National Research Council Canada: NRC Publications Archive
26
PANGAEA - Data Publisher for Earth & Environmental Science
26
University of Calgary Journal Hosting
26
Canadian Science Publishing (via Crossref)
23
Zenodo
20
Directory of Open Access Journals: DOAJ Articles
19
Copernicus Publications: E-Journals
16
Theses Canada/Thèses Canada (Library and Archives Canada)
13
University of Lethbridge Digitized Collections
12
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
11
Cambridge University Press
11
Canadian Science Publishing
11
German Aerospace Center: elib - DLR electronic library
11
National Institute of Polar Research Repository, Japan
11
Niedersächsisches Online-Archiv NOA
11
University of Saskatchewan: eCommons@USASK
11
Wiley Online Library
11
MSpace at the University of Manitoba
10
PubMed Central (PMC)
10
Borealis
8
Arctic Institute of North America (via Crossref)
7
Carleton University's Institutional Repository
6
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
6
RePEc (Research Papers in Economics)
6
University of Victoria (Canada): UVicDSpace
6
VIURRSpace (Royal Roads University and Vancouver Island University)
6
WikiBooks - Open-content textbooks
6
uO Research (University of Ottawa - uOttawa)
6
SFU Digitized Collections (Simon Fraser University)
5
Summit - SFU Research Repository (Simon Fraser University)
5
University of British Columbia: cIRcle - UBC's Information Repository
5
Arca (BC's Digital Treasures)
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
4
Pergamos - Library and Information Center of National and Kapodistrian University of Athens
4
ScienceDirect (Elsevier - via Crossref)
4
University of Waterloo, Canada: Institutional Repository
4
Wilfrid Laurier University, Ontario: Scholars Commons@Laurier
4
HAL Sorbonne Université
3
Institut national des sciences de l'Univers: HAL-INSU
3
Open Access Journal Hosting (University of British Columbia)
3
ScienceDirect (Elsevier)
3
Spectrum: Concordia University Research Repository (Montreal)
3
University of Alaska: ScholarWorks@UA
3
Vancouver Island University: Viuspace
3
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