Oliver-D. Helfrich · Oliver Hilberger
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Insolvenzen in Europa | 978-3-87081-241-6 (3-87081-241-9) | 2004 | Tom Arts · Nicki Kayser · Janine Biver · Axel Hagedorn · Pawel Siekierzynski · Bernhard Kuczewski · Martin Exner |
| The Book of Paper | 978-94-6083-033-4 (94-6083-033-1) | 2011 | Antje Peters |