✦ LIBER ✦
The sighting of Jupiter's satellite by Gan De 2000 years before Galileo
✍ Scribed by Xi Ze-zong
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 133 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0275-1062
No coin nor oath required. For personal study only.