The knowledge production of ‘R’ and ‘D’
| Year of publication: |
2009
|
|---|---|
| Authors: | Czarnitzki, Dirk ; Kraft, Kornelius ; Thorwarth, Susanne |
| Published in: |
Economics letters. - Amsterdam [u.a.] : Elsevier, ISSN 0165-1765, ZDB-ID 7172102. - Vol. 105.2009, 1, p. 141
|