| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Changing Political Structure of Europe:Aspects of International Law | 978-0-7923-1379-3 (0-7923-1379-8) | 1991 |
| Transboundary Environmental Interference and the Origin of State Liability | 978-90-411-0275-1 (90-411-0275-2) | 1996 |
R. L · Rémi Lefebvre · René Lefebure · René Lefebvre · Ryan Lefebvre