| Other Title | 咀嚼数字 |
| GMD | Text |
| Corporate Author | National Geographic |
| Classification | 510 JOH |
| Publisher | 北京, 外语教学与研究出版社, 2005 |
| Subject | Reading ExpeditionsJuvenile literature |
| Series | 国家地理科学探索丛书 |
| Description | 23 p. ; ill. ; 23 cm. |
| ISBN | 9787560047256 |
| Suitable | From 12 To 18 |