| in paper |
 Leendertse, Matthijs; Pennings, Leo (2007) Centralized Content Portals: iTunes and the Publishing Industry
|
|---|---|
| authors |
 Shapiro, C.; Varian, H.R.
|
| year | 1999 |
| title |
Information Rules - a strategic guide to the network economy
|
| source | Boston: Harvard Business School Press |
| last changed | 2008/03/14 13:58 |
