Patents and R&D an Econometric Investigation Using Applications for German, European and US Patents by German Companies
| Autor: | Licht, Georg, Zoz, Konrad |
|---|---|
| Zdroj: | Annales d'Économie et de Statistique, 1998 Jan 01(49/50), 329-360. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|