Letizia Stanghellini, Richard A. Shaw et Eva Villaver, «The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale», The Astrophysical Journal, vol.689, no1, , p.194-202 (DOI10.1086/592395, lire en ligne[PDF])
Letizia Stanghellini, Richard A. Shaw et Eva Villaver, «The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale», The Astrophysical Journal, vol.689, no1, , p.194-202 (DOI10.1086/592395, lire en ligne[PDF])