Measuring national technological performance with patent claims data
| Year of publication: |
1994
|
|---|---|
| Authors: | Tong, X. ; Frame, J.D. |
| Published in: |
Research policy : policy and management studies of science, technology and innovation. - Amsterdam [u.a.] : Elsevier, ISSN 0048-7333, ZDB-ID 1211493. - Vol. 23.1994, 2, p. 133-142
|