共 50 条
- [42] SPECTROSCOPIC OBSERVATIONS OF GENUINE AND MISCLASSIFIED PLANETARY-NEBULAE ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1987, 67 (03): : 541 - 544
- [45] ARECIBO INTERFEROMETER OBSERVATIONS OF COMPACT PLANETARY-NEBULAE ASTRONOMICAL JOURNAL, 1984, 89 (04): : 501 - 505
- [47] SPECTROSCOPIC OBSERVATIONS OF FAINT AND MISCLASSIFIED PLANETARY-NEBULAE ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1987, 68 (01): : 51 - 62
- [49] OBSERVATIONS OF THE BOWEN FLUORESCENT MECHANISM IN PLANETARY-NEBULAE ASTROPHYSICAL JOURNAL, 1986, 301 (02): : 825 - 833