@Article{SCI:Knu2018a,
  author =    "K Knudson and B Wang",
  title =     "Discrete Stratified Morse Theory: A User's
              Guide",
  journal =   "CoRR",
  year =      "2018",
  url =       "http://www.sci.utah.edu/publications/Knu2018a/1801.03183.pdf",
}