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1984AcApS...4...56C - Acta Astrophys. Sinica, 4, 56-64 (1984)
Photometry of the active nuclei of galaxies - photographic photometry of the quasar 3C 273.
CHU Y.-H., SHEN C.-J., WANG C.-D., WU H.-W. and WANG S.-C.
Journal keyword(s):
Simbad objects: 1
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