✦ LIBER ✦
The ratio of optical to near-infrared emission line strengths inSiias electron density diagnostics for planetary nebulae
✍ Scribed by F. P. Keenan
- Publisher
- Springer Netherlands
- Year
- 1991
- Tongue
- English
- Weight
- 240 KB
- Volume
- 186
- Category
- Article
- ISSN
- 0004-640X
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