✦ LIBER ✦
A revised listing of the number of sunspot groups made by Pastorff, 1819 to 1833
✍ Scribed by Douglas V. Hoyt; Kenneth H. Schatten
- Publisher
- Springer
- Year
- 1995
- Tongue
- English
- Weight
- 301 KB
- Volume
- 160
- Category
- Article
- ISSN
- 0038-0938
No coin nor oath required. For personal study only.