共 12 条
[1]
BLANCO VM, 1968, 21 US NAV OBS PUBL
[2]
COYNE GV, 1974, PUBL VATICAN OBS, V1, P18
[3]
FEINSTEIN A, 1967, OBSERVATORY, V87, P287
[4]
GEHRZ RD, 1973, ASTROPHYS LETT COMM, V13, P89
[5]
HARDIE RH, 1964, ASTROPHYS J, V140, P147
[10]
PAGEL BEJ, 1969, ASTROPHYS LETT, V4, P221