| Titel | ISBN-13 | Erscheinungsjahr |
|---|---|---|
| The Foundation of The Center for the Study of Language and Information: The dynamics of the writing of a proposal | 978-3-631-49345-8 | 1996 |
| Traffic - Environment - Politics | 978-3-631-34791-1 | 2000 |
| Traffic issues: From a Tyrolean perspective | 978-3-631-31784-6 | 1997 |
| Transportation as a political issue | 978-3-631-39776-3 | 2003 |