共 22 条
[4]
Haslam C. G. T., 1982, Astronomy & Astrophysics Supplement Series, V47, P1
[5]
HOWELL TF, 1986, NATURE, V210, P1318
[6]
KERR FJ, 1985, GALACTIC STRUCTURE, P167
[8]
LEVIN S, 1987, LBL23302 U C BERK