@article{vaxman+2018,
    AUTHOR = {Davide Pellis and Martin Kilian and Felix Dellinger and
              Johannes Wallner and Helmut Pottmann},
     TITLE = {Visual Smoothness of Polyhedral Surfaces},
   JOURNAL = {ACM Trans. Graphics},
      YEAR = {2019},
    NOTE = {Proc. SIGGRAPH},
}