| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Amazonia; A World Resource at Risk | 978-1-57262-302-6 (1-57262-302-0) | 1992 |
| Yellowstone and Grand Teton - Special Places of the World Map - NATIONAL GEOGRAPHIC 1989 | 978-83-7111-420-5 (83-7111-420-6) | 1989 |
C.D. · G. C. · G D · n/c · n.d. · N.G. · National Geographic