共 5 条
- [2] The ISO-SWS spectrum of planetary nebula NGC 7027 ASTRONOMY & ASTROPHYSICS, 2001, 367 (03): : 949 - 958
- [3] The ISO-SWS spectrum of planetary nebula NGC 7027 Astronomy and Astrophysics, 2001, 367 (03): : 949 - 958
- [4] The ISO-SWS line spectrum of planetary nebula NGC 7027 ISO BEYOND THE PEAKS, 2000, 456 : 175 - 178
- [5] Upper limit on C60 and C+60 features in the ISO-SWS spectrum of the reflection nebula NGC 7023 ASTRONOMY & ASTROPHYSICS, 1999, 347 (03): : 949 - 956