J J ยท J. Jacobsen
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Above and Below the Circles - Antarctica | Paperback | 978-1-320-01120-4 (1-320-01120-9) | 2011 |
| Above and Below the Circles - Antarctica | Hardcover | 978-1-320-01121-1 (1-320-01121-7) | 2011 |