Introduction
| Year of publication: |
2003
|
|---|---|
| Authors: | Olesen, Ole B. ; Petersen, N.C. |
| Published in: |
Journal of productivity analysis. - Dordrecht [u.a.] : Springer, ISSN 0895-562X, ZDB-ID 10074041. - Vol. 20.2003, 3, p. 237-242
|