共 58 条
[21]
GOPALKRISHNA, 1986, QUASARS IAU S, V119, P193
[24]
JAGERS WJ, 1987, THESIS STERREWACHT
[26]
KAPAHI VK, 1986, HIGHLIGHTS ASTRONOMY, V7, P371
[27]
KATGERT P, 1979, NATURE, V280, P20, DOI 10.1038/280020a0
[29]
LANG KR, 1978, ASTROPHYSICAL FORMUL, P602