共 12 条
[1]
[Anonymous], 1924, MNRAS
[3]
DIMENSIONS OF BINARY-SYSTEM HDE 226868 = CYGNUS X-1
[J].
NATURE-PHYSICAL SCIENCE,
1972, 240 (102)
:124-&
[6]
HILTNER WA, 1973, IAU2503 CIRC
[7]
KEENAN PC, 1963, BASIC ASTRONOMICAL D
[8]
LILLLER W, 1973, IAU2469 CIRC