| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Countertrade: Offset Contacts | 978-92-842-1092-3 (92-842-1092-5) | 1989 | |
| Taking of Evidence in International Arbitration Proceedings | 978-92-842-0086-3 (92-842-0086-5) | 1990 | International Chamber of Commerce |