共 7 条
[1]
KIPPENHAHN R, 1967, Z ASTROPHYS, V65, P251
[4]
ROBINSON LJ, 1966, 154 INT B VAR STARS
[5]
RUSSELL HN, 1952, 26 PRINC U OBS
[6]
SCHOFFEL E, 1965, 77 INT B VAR STARS
[7]
STROHMEIER W, 1964, 74 INT B VAR STARS