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- [25] Structural variations in the quasar 3C 454.3 RADIO EMISSION FROM GALACTIC AND EXTRAGALACTIC COMPACT SOURCES, 1998, 144 : 75 - 76
- [28] VARIATIONS IN OPTICAL SPECTRUM OF QUASI-STELLAR RADIO SOURCE 3C 345 ASTROPHYSICAL JOURNAL, 1966, 143 (01): : 271 - &
- [29] The optical variability of 3C 273 CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS, 2001, 1 (03): : 245 - 249