| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Reservations in Unilateral Declarations Accepting the Compulsory Jurisdiction of the International Court of Justice | 978-0-7923-3145-2 (0-7923-3145-1) | 1995 |
| Self-Defense Against the Use of Force in International Law | 978-90-411-0247-8 (90-411-0247-7) | 1996 |