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- [3] The Lyα/Hα ratio in high-redshift quasars Monthly Notices of the Royal Astronomical Society, 1982, 200 (02): : 271 - 279
- [4] SPECTROSCOPIC LIMITS ON HIGH-REDSHIFT LY-ALPHA EMISSION ASTROPHYSICAL JOURNAL, 1990, 357 (01): : 3 - 7
- [5] H-ALPHA EMISSION-LINES IN HIGH REDSHIFT QUASARS INFRARED SPECTROSCOPY IN ASTRONOMY, 1989, 290 : 481 - 487
- [8] APPROXIMATE FORMULATION OF REDISTRIBUTION IN THE LY-ALPHA, LY-BETA, H-ALPHA SYSTEM ASTROPHYSICAL JOURNAL, 1989, 344 (02): : 949 - 965
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- [10] CLUSTERING OF LY-ALPHA ABSORBING CLOUDS AT HIGH REDSHIFT IAU SYMPOSIA, 1987, (124): : 803 - 806