Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations
| Year of publication: |
1993
|
|---|---|
| Authors: | Jaffe, Adam B. ; Trajtenberg, Manuel ; Henderson, Rebecca |
| Published in: |
The quarterly journal of economics. - Oxford : Univ. Press, ISSN 0033-5533, ZDB-ID 31379. - Vol. 108.1993, 3, p. 577-598
|