共 86 条
- [1] Aller L.H., 1968, STARS STELLAR SYSTEM, V7, P483
- [3] OBSERVATIONS AT 2700 MHZ OF SELECTED PLANETARY-NEBULAE [J]. AUSTRALIAN JOURNAL OF PHYSICS, 1972, 25 (01): : 91 - &
- [6] SPECTROPHOTOMETRY OF REPRESENTATIVE PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1951, 113 (01) : 125 - 140
- [10] SPECTRAL LINE INTENSITY VARIATIONS IN PLANETARY NEBULAE [J]. NATURE, 1969, 221 (5181) : 646 - &