共 50 条
- [1] DUST AND EXTINCTION IN THE PLANETARY-NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1992, 385 (02): : 567 - 576
- [2] MOLECULAR ENVELOPE OF THE PLANETARY-NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1990, 351 (02): : 522 - 529
- [5] IONIZED MAGNESIUM IN THE PLANETARY-NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1984, 277 (01): : 207 - 210
- [8] RADIO RECOMBINATION LINES, AND THE EXPANSION VELOCITY OF THE PLANETARY-NEBULA NGC 7027 SOVIET ASTRONOMY LETTERS, 1989, 15 (03): : 178 - 181
- [9] A SPATIALLY RESOLVED PHOTODISSOCIATION REGION IN THE PLANETARY-NEBULA NGC-7027 ASTRONOMICAL JOURNAL, 1993, 105 (01): : 250 - +