| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Bareboat and Charter Registration | 978-90-411-0513-4 (90-411-0513-1) | 1997 |
| Protectionism and the Future of International Shipping:The Nature, Development and Role of Flag Discriminations and Preferences, Cargo Reservations ... State Intervention and Maritime Subsidies | 978-90-247-2918-0 (90-247-2918-1) | 1984 |