共 25 条
[4]
BROWN A, 1984, AP J
[5]
Fracassini M., 1981, Astronomy & Astrophysics Supplement Series, V45, P145
[9]
HAYES MA, 1984, ASTRON ASTROPHYS, V134, P193
[10]
HIRSHFELD A, 1982, SKY CATALOG 20000