Levato, H.; Malaroda, S. (February 1977). "Spectroscopic study of two peculiar stars in IC 4665 : HD 161480 and HD 161733". Publications of the Astronomical Society of the Pacific. 89: 84–94. Bibcode:1977PASP...89...84L. doi:10.1086/130078.
Levato, H.; Malaroda, S. (February 1977). "Spectroscopic study of two peculiar stars in IC 4665 : HD 161480 and HD 161733". Publications of the Astronomical Society of the Pacific. 89: 84–94. Bibcode:1977PASP...89...84L. doi:10.1086/130078.