Content Provider
JSTOR (via Crossref)
3
DataCite Metadata Store (German National Library of Science and Technology)
2
SSOAR - Social Science Open Access Repository
2
University of Vienna: u:theses
2
Aarhus University: Research
1
NTNU Open Archive (Norwegian University of Science and Technology)
1
OLAC: Open Language Archives Community
1
UI Press - University of Illinois Press (via Crossref)
1
Unknown
1
transcript Verlag
1