共 8 条
[1]
ALLCOCK GED, 1975, IAU2997 CIRC
[2]
BRECHER K, 1975, BAAS, V7, P58
[3]
EACHUS LJ, 1975, IAU2823 CIRC
[4]
ELVIS M, 1975, IAU2814 CIRC
[5]
GORYNYA N, 1975, IAU3008 CIRC
[6]
HOFFMAN JA, 1976, ASTROPHYS J LETT
[7]
Murdin P., 1977, MNRAS, V178, P27
[8]
SHAO CY, 1975, IAU2998 CIRC