共 24 条
[1]
BLAAUW A, 1954, T IAU, V8, P784
[2]
BOTTLINGER KF, 1933, VEROFF BERLIN BABELS, V10
[4]
Campbell W. W., 1911, LICK OBSERVATORY B, V6, P125
[5]
CHARLIER CVL, 1913, LUND MEDD SER, V2
[6]
DELHAYE J, 1953, CR HEBD ACAD SCI, V237, P294
[7]
DELHAYE J, 1951, B ASTR, V16, P1