Günther, David Computer Graphics, MPI for Informatics, Max Planck Society;
Günther, D., Reininghaus, J., Wagner, H., & Hotz, I. (2012). Efficient Computation of 3D Morse-Smale Complexes and Persistent Homology Using Discrete Morse Theory. The Visual Computer, 28(10), 959-969. doi:10.1007/s00371-012-0726-8.