Preliminary Note on Nebular Proper Motions
| Autor: | Curtis, H. D. |
|---|---|
| Zdroj: | Proceedings of the National Academy of Sciences of the United States of America, 1915 Jan . 1(1), 10-12. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|
| Autor: | Curtis, H. D. |
|---|---|
| Zdroj: | Proceedings of the National Academy of Sciences of the United States of America, 1915 Jan . 1(1), 10-12. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|