共 53 条
[23]
GRAHAM JA, 1988, B AAS, V20, P1092
[24]
GRAHAM JD, 1988, PREVENTING AUTOMOBIL, P1
[25]
Gum C.S, 1952, OBSERVATORY, V72, P151
[26]
GUM CS, 1955, MEM R ASTR SOC, V47, P155
[27]
Hartley M., 1986, Astronomy & Astrophysics Supplement Series, V63, P27