Patent statistics as economic indicators
a survey
Edición de la obra Patent statistics as economic indicators
| Autor | Zvi Griliches |
|---|---|
| Editorial | National Bureau of Economic Research |
| Fecha de publicación | 1990 |
| Lugar | Cambridge, MA |
| Idioma | inglés |
| Serie | NBER working paper series ; Working paper no. 3301 · Working paper series (National Bureau of Economic Research) -- working paper no. 3301. |
| Número de Cutter | G858p |