共 7 条
- [3] PHOTOGRAPHIC PHOTOMETRY OF SEYFERT GALAXY 3C120 [J]. ASTRONOMICAL JOURNAL, 1968, 73 (09) : 885 - &
- [6] ARE QUASI-STELLAR RADIO SOURCES GIANT PULSARS [J]. ASTROPHYSICAL JOURNAL, 1969, 157 (2P2) : L73 - &
- [7] LONG-TERM BEHAVIOR OF SEYFERT GALAXY 3C 120 [J]. ASTROPHYSICAL JOURNAL, 1969, 158 (2P1) : 535 - &