| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Art? No Thing!: Analogies Between Art, Science and Philosophy | 978-90-90-18543-9 (90-90-18543-7) | 2004 | |
| FRE ILGEN: THE SEARCH | 978-90-806316-1-8 (90-806316-1-2) | 2001 | Kai-Uwe Hemken · Mayen Beckmann · Ernest Edmonds |