| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Word Equations and Related Topics: Second International Workshop, IWWERT '91, Rouen, France, October 7-9, 1991. Proceedings | 978-3-540-56730-1 (3-540-56730-5) | 2008 | Jean-Pierre Pecuchet | |
| Word Equations and Related Topics: Second International Workshop, Iwwert '91 Rouen, France, October 7-9, 1991 Proceedings | 978-0-387-56730-3 (0-387-56730-5) | 1993 | ||