@article{SotoSanchez2021Integer,
  author = {Soto Sanchez, Jos{\'e} Ezequiel and Weyrich, Tim and Medeiros e S{\'a}, Asla and de Figueiredo, Luiz Henrique},
  title = {An integer representation for periodic tilings of the plane by regular polygons},
  journal = {Computer {\&} Graphics},
  volume = 95,
  pages = {69--80},
  year = 2021,
  month = apr,
  publisher = {Elsevier},
  doi = {10.1016/j.cag.2021.01.007},
  notes = {accepted on 18-Jan-2021; online publication on 19-Jan-2021},
  authorurl = {http://reality.cs.ucl.ac.uk/projects/tilings/sotosanchez2021integer.html},
}