| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Customary International Law on the Use of Force | 978-90-04-14706-5 (90-04-14706-3) | 2005 | Paolo Palchetti |
| The EUropean Union as An Actor in International Relations | 978-90-411-1771-7 (90-411-1771-7) | 2002 | |
| The Law of Treaties Beyond the Vienna Convention | 978-0-19-958891-6 (0-19-958891-0) | 2011 | |
Brill · Oxford University Press · Wolters Kluwer