| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The 21st Century _ Turning Point for the Northern Sea Route?: Proceedings of the Northern Sea Route User Conference, Oslo, 18-20 November 1999 | 978-O-7923-6365-1 (O-7923-6365-5) | 2000 |
C L · C.L. Ragner · C.R. · L. R.