| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Cinderella: Software interattivo di geometria | 978-88-470-0129-9 (88-470-0129-3) | 2002 | U.H. Kortenkamp |
| The Interactive Geometry Software Cinderella: Also Available as Netlicence Edition | 978-3-540-14719-0 (3-540-14719-5) | 1999 | Jurgen Richter-Gebert · Ulrich H. Kortenkamp |
J. G. · J R · J??rgen Richter-Gebert · J. Richter · Jürgen Richter-Gebert · Jurgen Richter-Gebert