| Extent: | XIX, 286 S. : graph. Darst. |
|---|---|
| Series: | Major Industrial Research Unit studies. - Philadelphia, Pa. : Univ. of Pennsylvania Pr., ISSN 0083-9094. - Vol. 45 |
| Type of publication: | Book / Working Paper |
| Language: | English |
| Source: |
Persistent link: https://www.econbiz.de/10004029449