共 50 条
- [1] Planetary nebulae as standard candles .10. Tests in the Coma I region ASTROPHYSICAL JOURNAL, 1996, 462 (01): : 1 - +
- [2] THE IONIZATION STRUCTURE OF PLANETARY-NEBULAE .10. NGC-2392 ASTROPHYSICAL JOURNAL, 1991, 371 (01): : 217 - 225
- [5] CO in planetary nebulae and proto-planetary nebulae CO: TWENTY-FIVE YEARS OF MILLIMETER-WAVE SPECTROSCOPY, 1997, (170): : 373 - 381