@article{arroyo2014application,
  title = {Application of Gray codes to the study of the theory of symbolic dynamics of unimodal maps},
  author = {Arroyo, David and Alvarez, Gonzalo},
  journal = {Communications in Nonlinear Science and Numerical Simulation},
  volume = {19},
  number = {7},
  pages = {2345--2353},
  year = {2014}
}