Strickler, R. R., A. M. Cool, J. Anderson, H. N. Cohn, P. M. Lugger and A. M. Serenelli: Helium-core white dwarfs in the globular cluster NGC 6397. In: The Astrophysical Journal 699, 1, 40-55 (2009).
doi: 10.1088/0004-637X/699/1/40
The Max Planck Society does not take any responsibility for the content of this export.