共 50 条
- [2] OPTICAL VARIABILITY OF HELIUM STARS HD 160641 AND BD + 13 DEGREES 3224 ASTROPHYSICAL JOURNAL, 1975, 196 (03): : 789 - 790
- [6] A nonlinear radial pulsation model for the extreme helium star V652 Her (BD+13 degrees 3224) HYDROGEN DEFICIENT STARS, 1996, 96 : 387 - 390