共 19 条
[4]
CONTOPOULOS G, 1977, COMMUNICATION
[5]
HOHL F, 1975, IAU69 S, P349
[6]
HUNTLEY JM, 1976, THESIS U VIRGINIA
[7]
Kalnajs A. J., 1973, Proceedings of the Astronomical Society of Australia, V2, P174
[10]
Lindblad P. O., 1974, IAU Symposium No.58 on the Formation and Dynamics of Galaxies, P399