共 50 条
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- [43] IMAGE-TUBE PHOTOGRAPHY OF A COMPLETE SAMPLE OF 4C RADIO-SOURCES ASTRONOMICAL JOURNAL, 1976, 81 (11): : 905 - &
- [46] COMPARISON OF SOME RADIO AND OPTICAL-PROPERTIES OF QUASI-STELLAR SOURCES AND BL LACERTAE OBJECTS ASTROPHYSICAL JOURNAL, 1975, 198 (02): : L57 - L60
- [47] VARIATIONS IN OPTICAL SPECTRUM OF QUASI-STELLAR RADIO SOURCE 3C 345 ASTROPHYSICAL JOURNAL, 1966, 143 (01): : 271 - &
- [48] NEW REDSHIFTS OF RADIO-SOURCES FROM THE S4 AND S5 SURVEYS ASTRONOMICAL JOURNAL, 1994, 108 (02): : 395 - 397