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- [4] NON-CIRCULAR MOTIONS OF THE GAS IN THE SPIRAL GALAXIES NGC-3031, NGC-2903, NGC-925 ASTRONOMICHESKII ZHURNAL, 1989, 66 (05): : 921 - 931
- [7] STELLAR POPULATION OF NUCLEAR REGION OF ANDROMEDA NEBULA ASTRONOMICAL JOURNAL, 1964, 69 (02): : 145 - &
- [9] Spectral analysis of the nuclear stellar population and gas emission in NGC 6240 Mon Not Royal Astron Soc, 4 (965):