Pasquali, A., Schmutz, W., Leitherer, C., Nota, A., Hubeny, I., Langer, N., Drissen, L., & Robert, C. (1996).
Fundamental properties of Ofpe/WN9 stars from ultraviolet HST spectra. In P., Benvenuti, F. D., Macchetto, E. J., Schreier,
& H., Payne (Eds.), Science with the Hubble Space Telescope
- II. Baltimore, MD, USA: Space Telescope Science Institute.