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- [2] DUST AND EXTINCTION IN THE PLANETARY-NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1992, 385 (02): : 567 - 576
- [3] MOLECULAR ENVELOPE OF THE PLANETARY-NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1990, 351 (02): : 522 - 529
- [4] IONIZED MAGNESIUM IN THE PLANETARY-NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1984, 277 (01): : 207 - 210
- [6] A SPATIALLY RESOLVED PHOTODISSOCIATION REGION IN THE PLANETARY-NEBULA NGC-7027 ASTRONOMICAL JOURNAL, 1993, 105 (01): : 250 - +
- [8] 0.8-1.6 MICRON SPECTROSCOPY OF THE PLANETARY-NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1992, 384 (02): : 536 - 544
- [9] SPECTROPHOTOMETRY OF THE PLANETARY NEBULA NGC-7027 ASTRONOMICAL JOURNAL, 1948, 53 (07): : 202 - 202
- [10] THE COMPOSITION OF THE PLANETARY NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1954, 120 (03): : 401 - 412