Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
16
Carleton University's Institutional Repository
9
Unknown
7
RePEc (Research Papers in Economics)
5
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
4
Theses Canada/Thèses Canada (Library and Archives Canada)
3
University of British Columbia: cIRcle - UBC's Information Repository
3
University of North Texas: UNT Digital Library
3
CURVE - Carleton University Research Virtual Environment
2
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
University of Calgary Journal Hosting
2
York University, Toronto: YorkSpace
2
AAAS Resource Center (American Association for the Advancement of Science)
1
Canadian Science Publishing
1
Canadian Science Publishing (via Crossref)
1
HighWire Press (Stanford University)
1
National Research Council Canada: NRC Publications Archive
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
ScienceDirect (Elsevier - via Crossref)
1
TU Berlin: Deposit Once
1
University of Victoria (Canada): UVicDSpace
1
Wiley Online Library
1
uO Research (University of Ottawa - uOttawa)
1