共 9 条
- [2] HYDROGEN RADIATION SPECTRUM IN GASEOUS NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1964, 139 (01) : 225 - &
- [3] MENZEL DH, 1938, APJ, V88, P52
- [4] PHOTOELECTRIC SPECTROPHOTOMETRY OF PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1963, 138 (04) : 1018 - &
- [6] OSTERBROCK DE, 1964, ANNUAL REVIEWS ASTRO, V2