Hekker, S. Max Planck Research Group in Stellar Ages and Galactic Evolution (SAGE), Max Planck Institute for Solar System Research, Max Planck Society;
Di Mauro, M. P., Ventura, R., Cardini, D., Stello, D., Christensen-Dalsgaard, J., Dziembowski, W. A., et al. (2016). Internal Rotation of the Red-Giant Star Kic 4448777 by Means of Asteroseismic Inversion. Astrophysical Journal, 817(1): 65. doi:10.3847/0004-637X/817/1/65.