共 11 条
[1]
*LICK OBS, 1912, PUBL LICK OBS, V12, P5
[2]
MOULTON, 1928, CELESTIAL MECH, P348
[3]
MOULTON, 1928, CELESTIAL MECH, P349
[4]
1920, ASTROPHYSICAL J, V52, P110
[5]
1930, P NAT ACAD SCI, V16, P472
[6]
1907, ASTROPHYSICAL J, V25, P60
[7]
1928, ASTRONOMISCHE NACHRI, V233, P97
[8]
1928, ASTRONOMISCHE NACHRI, V233, P125
[9]
1930, P NAT ACAD SCI, V16, P133
[10]
1928, ASTROPHYSICAL J, V68, P116