共 27 条
- [2] Aller L. H., 1956, GASEOUS NEBULAE
- [5] BERMAN L, 1938, LICK OBS B, V18, P57
- [7] H-BETA AND [O-III] FLUXES FROM PLANETARY NEBULAE .2. [J]. ASTROPHYSICAL JOURNAL, 1961, 133 (02) : 471 - 478
- [8] Photographic studies of nebulae - Fifth paper [J]. ASTROPHYSICAL JOURNAL, 1937, 86 (04) : 496 - 498
- [9] LATYPOV AA, 1957, PUBL ASTRO OBS TASHK, V5, P31
- [10] Mclaughlin D. B., 1942, PASP, V54, P31