«Observational Estimates for the Mass-Loss Rates of α Centauri and Proxima Centauri Using Hubble Space Telescope Lyα Spectra». Ap J.547 (1): L49–L52. 2001. doi:10.1086/318888. Bibcode: 2001ApJ...547L..49W.
Schmitt JHMM; Fleming TA; Giampapa MS (Sep 1995). «The X-Ray View of the Low-Mass Stars in the Solar Neighborhood». Ap J.450 (9): 392–400. doi:10.1086/176149. Bibcode: 1995ApJ...450..392S.
«Observational Estimates for the Mass-Loss Rates of α Centauri and Proxima Centauri Using Hubble Space Telescope Lyα Spectra». Ap J.547 (1): L49–L52. 2001. doi:10.1086/318888. Bibcode: 2001ApJ...547L..49W.
Schmitt JHMM; Fleming TA; Giampapa MS (Sep 1995). «The X-Ray View of the Low-Mass Stars in the Solar Neighborhood». Ap J.450 (9): 392–400. doi:10.1086/176149. Bibcode: 1995ApJ...450..392S.