| title | media type | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|---|
| The Ulam Problem of Optimal Motion of Line Segments | Gebunden | 978-3-540-90946-0 (3-540-90946-X) | 1994 | |
| The Ulam Problem of Optimal Motion of Line Segments | Hardcover | 978-0-387-90946-2 (0-387-90946-X) | 1985 |