Content Provider
Érudit.org (Université Montréal)
32
Unknown
16
DataCite Metadata Store (German National Library of Science and Technology)
14
Digital Repository of Scientific Institutes (RCIN)
2
Hes-so: ArODES Open Archive (University of Applied Sciences and Arts Western Switzerland)
2
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
1