共 34 条
[2]
BESSEL FW, 1836, ASTRON NACHR, V13, P345
[3]
BORTLE JE, 1984, SKY TELESCOPE, V67, P9
[4]
BORTLE JE, 1983, SKY TELESCOPE, V65, P565
[5]
FROESCHLE C, 1986, ASTRON ASTROPHYS, V170, P145
[6]
GREEN DWE, 1987, ASTRON ASTROPHYS, V187, P560
[10]
MARSDEN BG, 1976, SKY TELESCOPE, V52, P10