共 50 条
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- [46] 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