共 15 条
[2]
CANNON JB, 1918, PUB DOMINION OBS, V4, P151
[3]
Cester B., 1969, Memorie della Societa Astronomica Italiana, V40, P517
[4]
D'Angelo R. W., 1973, Bulletin of the American Astronomical Society, V5
[7]
GEHLICH UK, 1972, ASTRON ASTROPHYS, V20, P165
[8]
HERCZEG T, 1963, Z F AP, V57, P254
[9]
JOHANSEN KT, 1969, ASTRON ASTROPHYS, V3, P179
[10]
JOHANSEN KT, 1970, ASTR ASTROPHYS S, V1, P149