O I 8446 and Na I 5893 in the quasar 3C 273
Ward, M. J., Morris, S. L., Penston, M. V.Volume:
206
Journal:
Monthly Notices of the Royal Astronomical Society
DOI:
10.1093/mnras/206.1.5P
Date:
January, 1984
File:
PDF, 140 KB
1984