Llwytho...
Dirt: the erosion of civilizations /
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
Berkeley :
University of California Press,
2007.
|
Tabl Cynhwysion:
- 1. Rivers of life 2. Graveyard of empires 3. Life span of civilizations