共 11 条
[4]
HARTMANN J, 1901, ASTRON MACHR, V155, P81
[5]
MOORE CE, 1966, NBS61 MON
[6]
PETRIE RM, 1958, PUB DOM AP OBS, V10, P415
[7]
STJOHN CE, 1928, PAP MT WILSON OBS, V3
[9]
Young L. D. G., 1971, Acta Astronomica, V21, P329