| in paper |
 Leendertse, Matthijs; Pennings, Leo (2007) Centralized Content Portals: iTunes and the Publishing Industry
|
|---|---|
| authors |
 Scherer, F.M.; Ross, D.
|
| year | 1990 |
| title |
Industrial Market Structure and Economic Performance
|
| source | Boston: Houghton Mifflin Company |
| last changed | 2008/03/14 13:58 |
