共 7 条
[2]
MCKELLAR A, 1947, J R ASTRON SOC CAN, V61, P147
[3]
Merrill P. W., 1926, PUBL ASTRON SOC PAC, V46, P175
[4]
Sanford R.F., 1926, PUBL ASTRON SOC PAC, V38, P177
[6]
Swings P, 1943, ASTROPHYS J, V98, P142, DOI 10.1086/144556