The Optical Spectrum of the Planetary Nebula NGC 2440
| Autor: | Hyung, Siek, Aller, Lawrence H. |
|---|---|
| Zdroj: | Publications of the Astronomical Society of the Pacific, 1998 Apr . 110(746), 466-479. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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| Autor: | Hyung, Siek, Aller, Lawrence H. |
|---|---|
| Zdroj: | Publications of the Astronomical Society of the Pacific, 1998 Apr . 110(746), 466-479. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|