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- [32] INFRARED OBSERVATIONS OF PLANETARY NEBULA NGC 7027 ASTROPHYSICAL JOURNAL, 1967, 149 (3P2): : L97 - &
- [34] Detection of a giant halo around NGC 7027 IONIZED GASEOUS NEBULAE: A CONFERENCE TO CELEBRATE THE 60TH BIRTHDAY OF SILVIA TORRES-PEIMBERT AND MANUEL PEIMBERT, 2002, 12 : 171 - 171
- [36] SPECTROPHOTOMETRY OF THE PLANETARY NEBULA NGC-7027 ASTRONOMICAL JOURNAL, 1948, 53 (07): : 202 - 202
- [38] The ISO LWS grating spectrum of NGC 7027 ASTRONOMY & ASTROPHYSICS, 1996, 315 (02): : L257 - L260
- [39] Dust extinction and elemental abundances of NGC 7027 PLANETARY NEBULAE: THEIR EVOLUTION AND ROLE IN THE UNIVERSE, 2003, (209): : 319 - 320
- [40] THE COMPOSITION OF THE PLANETARY NEBULA NGC-7027 ASTROPHYSICAL JOURNAL, 1954, 120 (03): : 401 - 412