Stephenson Yang et al.: Radial velocity variations of the δ Scuti variable β Cassiopeiae. In: Publications of the Astronomical Society of the Pacific. Bd. 94, 1982, S. 320, bibcode:1982PASP...94..317Y, doi:10.1086/130982.
Stephenson Yang et al.: Radial velocity variations of the δ Scuti variable β Cassiopeiae. In: Publications of the Astronomical Society of the Pacific. Bd. 94, 1982, S. 320, bibcode:1982PASP...94..317Y, doi:10.1086/130982.