G.S. · Gus Silber · M G*** · M S.
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| 10 Lessons From The Future: your tomorrow is a matter of choice. make it yours | 978-0-273-65329-5 (0-273-65329-6)  | 2000 | Wolfgang Grulke | 
| Lessons in Radical Innovation: Out of the box - straight to the bottom line | 978-0-273-65948-8 (0-273-65948-0)  | 2002 | " |