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- [4] CERENKOV LINE EMISSION AND THE BALMER DECREMENT OF QUASARS KEXUE TONGBAO, 1986, 31 (04): : 235 - 238
- [5] BALMER DECREMENT OF QUASARS AND SEYFERT-I GALAXIES SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 1989, 32 (08): : 971 - 982