Research Policy
2005
Inventive progress measured by multi-stage patent citation analysis
Iwan von
Wartburg1;
Thorsten
Teichert1;
Katja
Rost2
1 Universität Hamburg · 2 University of Zurich
open access
- DOI
- 10.1016/j.respol.2005.08.001
- Sources
-
semanticscholar
openalex
Cite