Woodward, P. R., Herwig, F., and Lin, P.-H., “Hydrodynamic Simulations of H Entrainment at the Top of He-shell Flash Convection”, The Astrophysical Journal, vol. 798, no. 1, 2015. doi:10.1088/0004-637X/798/1/49. https://ui.adsabs.harvard.edu/abs/2015ApJ...798...49W/abstract