| title | ISBN-13 | year of publication |
|---|---|---|
| International Space Law and the United Nations | 978-90-411-1217-0 | 1999 |
| Maintaining Outer Space for Peaceful Uses: Proceedings of a Symposium Held in the Hague, March 1984/Tunu237 | 978-92-808-0537-6 | 1985 |
| Perspectives on International Law | 978-90-411-0884-5 | 1995 |
| Same Sky, Different Nights | 978-955-665-194-2 | 2013 |
United Nations University Press · Vijitha Yapa Publications, Sri Lanka · Wolters Kluwer